[User]
In a 24x22 grid, how many different paths are there from the bottom left (0, 0) to the top right (23, 21), if you can only move right or up at each step, subject to the constraint that you cannot move through the following cells: (20, 16), (7, 0), (9, 1), (7, 7), (15, 6), (19, 18), (19, 2), (14, 16), (1, 9), (5, 12), (12, 17), (17, 8), (1, 14), (8, 21), (12, 20), (15, 19), (7, 19), (6, 7), (2, 18), (8, 7), (12, 14), (0, 16), (23, 2), (13, 9), (1, 4), (13, 7), (17, 3), (21, 21), (2, 17), (0, 1), (19, 12), (1, 15), (13, 6), (0, 4), (2, 14), (10, 2), (19, 8), (15, 14), (6, 8), (10, 6), (3, 16), (7, 2), (0, 19), (13, 2), (9, 14), (11, 9), (6, 1), (7, 11), (16, 0), (8, 15), (9, 4), (23, 19), (20, 15), (19, 4), (11, 7), (8, 18), (21, 2), (2, 0), (22, 13), (1, 7), (7, 14), (21, 4), (16, 20), (9, 2), (8, 0), (17, 2), (3, 17), (17, 16), (21, 8), (19, 15), (17, 9), (5, 16), (11, 14), (5, 5), (12, 12), (19, 6), (15, 16), (15, 20), (16, 17), (0, 17), (4, 12), (0, 10), (9, 3), (18, 12), (10, 1), (2, 11), (18, 2), (11, 17), (18, 3), (11, 8), (3, 10), (11, 4), (10, 3), (6, 15), (6, 17), (16, 7), (18, 6), (19, 14), (10, 10), (7, 21), (11, 12), (13, 4), (9, 11), (1, 16), (5, 15), (14, 6), (1, 2), (3, 5), (20, 13), (8, 6), (23, 11), (9, 16), (12, 3), (6, 9), (11, 13), (2, 7), (14, 11), (5, 8), (4, 13), (23, 17), (2, 2), (0, 9), (0, 12), (14, 5), (2, 16), (18, 11), (21, 10), (3, 18), (15, 2), (9, 7), (1, 20), (12, 16), (5, 11), (11, 19), (10, 18), (12, 2), (6, 4)?

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[User]
In a 24x27 grid, how many different paths are there from the bottom left (0, 0) to the top right (23, 26), if you can only move right or up at each step, subject to the constraint that you cannot move through the following cells: (19, 2), (16, 8), (11, 18), (16, 0), (18, 3), (21, 14), (12, 10), (21, 10), (22, 8), (11, 4), (7, 3), (2, 8), (12, 18), (5, 0), (7, 13), (8, 5), (22, 20), (17, 10), (9, 20), (10, 1), (4, 22), (12, 20), (1, 14), (13, 5), (13, 16), (21, 3), (13, 21), (21, 17), (21, 15), (13, 8), (23, 23), (0, 1), (18, 13), (5, 12), (17, 26), (22, 14), (6, 21), (23, 16), (21, 24), (23, 21), (4, 17), (7, 23), (22, 25), (22, 7), (16, 4), (12, 12), (6, 3), (18, 0), (17, 13), (4, 15), (4, 13), (11, 5), (14, 17), (7, 1), (7, 5), (10, 8), (17, 17), (10, 5), (21, 11), (18, 17), (5, 11), (20, 0), (21, 26), (15, 12), (10, 13), (16, 21), (5, 17), (4, 9), (10, 9), (23, 6), (4, 23), (14, 1), (14, 2), (9, 1), (6, 10), (19, 23), (23, 14), (11, 14), (15, 24), (21, 1), (15, 8), (20, 24), (14, 16), (17, 19), (5, 3), (6, 17), (18, 22), (10, 17), (23, 2), (2, 0), (5, 8), (4, 2), (7, 12), (15, 7), (0, 3), (23, 19), (8, 15), (11, 6), (22, 16), (5, 18), (6, 6), (13, 11), (12, 4), (16, 26), (7, 25), (11, 17), (16, 9), (12, 21), (8, 13), (22, 6), (14, 6), (22, 26), (20, 8), (3, 24), (19, 20), (8, 3), (15, 18), (7, 2), (7, 6), (5, 10), (6, 25), (12, 7), (9, 4), (5, 24), (23, 5), (0, 24), (7, 15), (11, 24), (6, 14), (17, 24), (8, 26), (9, 26), (4, 18), (7, 17), (19, 7), (19, 18), (8, 20), (20, 1), (6, 5), (15, 9), (13, 10), (20, 14), (12, 2), (0, 6), (1, 16), (19, 17), (14, 20), (8, 14), (19, 26), (16, 15), (18, 10), (2, 13), (15, 23), (21, 4), (23, 20), (17, 4), (1, 12), (5, 16), (5, 6), (5, 14), (8, 8), (17, 15), (3, 17), (15, 14), (4, 12), (9, 3), (1, 4), (10, 25), (9, 25), (7, 26), (6, 23), (20, 26), (16, 18), (11, 1), (1, 24), (20, 10), (15, 10), (7, 14), (17, 22), (8, 21), (16, 3), (11, 20), (9, 24), (6, 2), (21, 25), (22, 19), (6, 19), (10, 3), (10, 22), (1, 6), (2, 26), (21, 20), (16, 20)?

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[User]
In a 21x28 grid, how many different paths are there from the bottom left (0, 0) to the top right (20, 27), if you can only move right or up at each step, subject to the constraint that you cannot move through the following cells: (11, 19), (19, 15), (15, 5), (18, 17), (7, 24), (5, 20), (18, 14), (18, 10), (3, 7), (10, 3), (9, 24), (8, 11), (1, 12), (5, 23), (5, 10), (3, 15), (5, 12), (16, 16), (13, 1), (18, 2), (2, 5), (12, 18), (15, 12), (3, 0), (5, 17), (12, 24), (3, 4), (10, 15), (18, 22), (14, 24), (19, 24), (8, 20), (16, 11), (1, 6), (7, 4), (20, 26), (14, 22), (12, 7), (16, 10), (12, 8), (11, 18), (0, 13), (0, 14), (7, 22), (20, 4), (20, 18), (14, 5), (12, 25), (15, 3), (18, 5), (17, 17), (11, 16), (6, 14), (13, 12), (12, 17), (12, 16), (13, 20), (2, 3), (10, 8), (2, 25), (13, 10), (1, 8), (1, 24), (15, 20), (14, 1), (12, 9), (2, 11), (13, 11), (11, 25), (17, 5), (20, 5), (17, 18), (18, 16), (17, 4), (16, 20), (15, 13), (0, 16), (3, 21), (18, 13), (10, 17), (19, 0), (4, 11), (2, 20), (15, 23), (8, 10), (20, 15), (6, 26), (11, 7), (13, 14), (1, 22), (14, 12), (6, 21), (16, 0), (17, 10), (7, 16), (7, 7), (6, 3), (13, 0), (13, 16), (12, 2), (6, 12), (14, 10), (19, 8), (19, 14), (15, 14), (5, 4), (14, 21), (13, 21), (17, 7), (12, 11), (8, 6), (15, 27), (8, 24), (14, 18), (19, 26), (10, 5), (15, 26), (14, 27), (20, 2), (11, 1), (5, 0), (6, 23), (14, 7), (16, 26), (4, 17), (15, 8), (16, 7), (13, 24), (15, 1), (2, 4), (3, 19), (9, 5), (13, 27), (4, 18), (13, 7), (15, 0), (4, 15), (18, 15), (6, 27), (12, 22), (3, 17), (19, 22), (2, 21), (11, 11), (6, 19), (2, 24), (4, 2), (10, 26), (19, 19), (16, 21), (20, 8), (4, 5)?

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[User]
In a 23x23 grid, how many different paths are there from the bottom left (0, 0) to the top right (22, 22), if you can only move right or up at each step, subject to the constraint that you cannot move through the following cells: (2, 6), (5, 18), (11, 17), (0, 17), (19, 5), (6, 0), (5, 6), (11, 15), (22, 7), (21, 21), (22, 21), (9, 20), (3, 20), (1, 19), (14, 11), (14, 16), (20, 1), (3, 2), (17, 11), (12, 2), (22, 1), (6, 5), (0, 22), (19, 10), (4, 21), (1, 12), (12, 19), (17, 14), (10, 3), (11, 19), (16, 11), (15, 18), (14, 13), (7, 10), (5, 3), (17, 7), (15, 11), (4, 19), (4, 15), (10, 10), (18, 3), (6, 21), (17, 1), (0, 13), (14, 22), (21, 7), (19, 4), (12, 22), (0, 2), (5, 8), (12, 17), (22, 14), (3, 13), (7, 8), (20, 15), (2, 2), (3, 15), (21, 8), (20, 13), (19, 17), (4, 5), (15, 17), (20, 2), (15, 15), (13, 21), (20, 7), (1, 13), (18, 1), (3, 4), (6, 16), (3, 6), (10, 16), (3, 14), (9, 14), (0, 10), (22, 12), (5, 2), (9, 0), (14, 10), (15, 22), (4, 7), (7, 6), (1, 4), (13, 12), (21, 16), (16, 10), (8, 1), (1, 0), (7, 14), (20, 11), (1, 5), (15, 6), (16, 19), (19, 18), (12, 20), (1, 7), (7, 7), (9, 4), (12, 4), (0, 19), (16, 7), (22, 18), (14, 20), (22, 9), (13, 20), (9, 5), (19, 21), (10, 4), (8, 2), (11, 2), (12, 1), (10, 17)?

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[User]
In a 23x23 grid, how many different paths are there from the bottom left (0, 0) to the top right (22, 22), if you can only move right or up at each step, subject to the constraint that you cannot move through the following cells: (15, 8), (10, 5), (17, 1), (5, 15), (17, 3), (11, 15), (22, 20), (19, 6), (11, 5), (15, 2), (13, 2), (9, 12), (13, 17), (17, 11), (9, 17), (2, 22), (18, 10), (6, 13), (14, 4), (2, 6), (14, 3), (15, 7), (0, 9), (16, 10), (14, 21), (22, 16), (13, 12), (16, 11), (7, 12), (1, 11), (10, 17), (15, 3), (5, 17), (20, 7), (13, 19), (20, 15), (18, 16), (20, 13), (18, 21), (22, 2), (1, 18), (2, 4), (6, 7), (17, 6), (15, 14), (21, 7), (13, 21), (10, 19), (14, 2), (11, 0), (11, 20), (8, 4), (17, 15), (4, 2), (5, 13), (21, 12), (11, 2), (19, 8), (9, 20), (9, 6), (7, 17), (21, 6), (19, 18), (2, 1), (4, 20), (6, 1), (21, 11), (11, 9), (10, 16), (18, 14), (2, 7), (15, 16), (19, 10), (15, 13), (16, 20), (7, 7), (11, 22), (0, 8), (22, 21), (14, 5), (3, 13), (1, 20), (5, 0), (18, 15), (8, 11), (14, 13), (6, 3), (7, 2), (16, 2), (5, 19), (2, 9), (19, 1), (17, 19), (7, 5), (17, 12), (22, 9), (0, 4), (5, 4), (21, 18), (4, 1), (14, 12), (1, 22), (7, 6), (1, 6), (20, 21), (6, 10), (14, 22), (11, 8), (1, 10), (16, 16), (15, 12), (1, 12), (5, 5), (13, 1), (2, 5), (18, 12), (9, 5), (11, 18), (18, 2), (14, 10), (22, 11), (19, 5), (0, 3), (18, 6), (0, 6), (1, 21), (17, 10), (10, 6), (12, 21), (10, 20), (21, 3), (14, 17), (19, 22)?

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[User]
In a 22x26 grid, how many different paths are there from the bottom left (0, 0) to the top right (21, 25), if you can only move right or up at each step, subject to the constraint that you cannot move through the following cells: (6, 12), (2, 7), (5, 8), (20, 20), (1, 20), (7, 15), (10, 25), (6, 5), (4, 2), (6, 23), (11, 17), (13, 22), (20, 25), (4, 20), (5, 14), (7, 21), (15, 12), (11, 4), (1, 6), (14, 23), (11, 8), (10, 1), (16, 17), (18, 6), (5, 24), (10, 19), (11, 1), (12, 21), (7, 24), (0, 11), (12, 1), (15, 0), (5, 3), (7, 13), (8, 11), (4, 0), (18, 11), (19, 15), (1, 12), (14, 24), (19, 1), (1, 5), (14, 3), (12, 22), (17, 0), (18, 12), (18, 4), (17, 15), (19, 11), (1, 16), (8, 14), (0, 18), (7, 22), (9, 12), (9, 25), (9, 20), (14, 17), (0, 20), (12, 10), (18, 15), (18, 0), (11, 14), (15, 4), (8, 1), (19, 21), (8, 15), (15, 17), (7, 10), (19, 9), (9, 17), (11, 0), (7, 4), (11, 6), (18, 2), (3, 3), (11, 16), (7, 3), (15, 18), (1, 13), (11, 5), (6, 11), (2, 25), (10, 7), (14, 14), (14, 2), (3, 4), (20, 12), (11, 3), (3, 2), (6, 2), (8, 8), (20, 14), (17, 3), (0, 17), (1, 15), (10, 17), (16, 16), (6, 4), (1, 2), (4, 16), (19, 8), (5, 4), (1, 14), (3, 0), (0, 4), (3, 22), (20, 10), (1, 23), (3, 18), (15, 3), (18, 20), (6, 8), (5, 9), (16, 7), (18, 23), (13, 7), (20, 3), (2, 22), (16, 12), (15, 15), (3, 7), (15, 21), (3, 23), (20, 6), (7, 16), (6, 10), (6, 20), (21, 22), (14, 1), (20, 8), (5, 13), (9, 18), (19, 23), (19, 20), (17, 8), (6, 22), (21, 11), (10, 14), (3, 21), (20, 11), (17, 17), (9, 14), (9, 2), (18, 10), (6, 16), (0, 24), (8, 5), (2, 12), (8, 7), (21, 4), (19, 24), (8, 17), (2, 24), (13, 15), (8, 21), (15, 22), (11, 11)?

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[User]
In a 21x25 grid, how many different paths are there from the bottom left (0, 0) to the top right (20, 24), if you can only move right or up at each step, subject to the constraint that you cannot move through the following cells: (12, 17), (1, 11), (7, 15), (5, 11), (1, 2), (13, 10), (2, 22), (14, 1), (8, 22), (1, 17), (11, 18), (18, 19), (6, 5), (13, 1), (7, 7), (8, 7), (17, 2), (4, 17), (7, 2), (15, 11), (7, 3), (20, 10), (14, 18), (17, 23), (16, 23), (0, 4), (8, 12), (6, 14), (20, 4), (12, 8), (7, 6), (15, 20), (4, 24), (17, 7), (18, 14), (3, 0), (1, 0), (16, 18), (5, 20), (8, 17), (5, 18), (6, 3), (6, 19), (19, 17), (12, 23), (8, 9), (4, 3), (6, 8), (16, 20), (14, 7), (11, 9), (1, 7), (12, 2), (2, 21), (5, 21), (14, 14), (20, 1), (17, 11), (6, 7), (11, 12), (5, 8), (13, 22), (18, 12), (7, 1), (13, 14), (7, 11), (10, 20), (11, 4), (8, 3), (13, 13), (19, 22), (15, 2), (17, 19), (20, 20), (20, 14), (9, 16), (7, 12), (12, 9), (18, 11), (5, 3), (12, 10), (18, 16), (17, 10), (2, 19), (12, 0), (1, 13), (15, 21), (4, 1), (9, 18), (8, 14), (10, 17), (16, 0), (16, 16), (20, 9), (6, 11), (7, 16), (13, 23), (4, 10), (17, 5), (7, 19), (19, 24), (17, 16)?

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[User]
In a 28x23 grid, how many different paths are there from the bottom left (0, 0) to the top right (27, 22), if you can only move right or up at each step, subject to the constraint that you cannot move through the following cells: (19, 21), (18, 7), (7, 13), (26, 0), (0, 19), (8, 10), (15, 11), (15, 1), (4, 20), (16, 17), (8, 9), (3, 22), (14, 16), (20, 15), (2, 20), (11, 10), (12, 18), (15, 15), (7, 8), (15, 16), (27, 11), (0, 13), (16, 10), (0, 4), (23, 8), (12, 15), (3, 21), (21, 21), (1, 16), (2, 18), (20, 12), (3, 17), (11, 15), (23, 13), (23, 19), (10, 8), (10, 19), (7, 1), (3, 10), (26, 9), (16, 13), (17, 18), (27, 15), (19, 2), (19, 9), (13, 5), (8, 19), (2, 17), (11, 11), (6, 18), (6, 6), (27, 7), (21, 12), (16, 14), (12, 20), (9, 19), (0, 21), (20, 9), (5, 15), (16, 0), (6, 17), (20, 16), (2, 8), (8, 1), (21, 16), (7, 9), (13, 10), (6, 11), (19, 15), (3, 0), (4, 2), (21, 9), (25, 22), (21, 2), (5, 4), (6, 0), (22, 22), (7, 5), (22, 18), (11, 4), (11, 6), (7, 16), (13, 12), (13, 17), (15, 14), (8, 5), (5, 8), (13, 4), (5, 20), (22, 4), (14, 0), (21, 6), (19, 8), (3, 2), (25, 8), (23, 17), (19, 3), (25, 19), (8, 16), (14, 14), (20, 13), (15, 7), (12, 12), (12, 14), (4, 18), (12, 11), (2, 4), (14, 20), (16, 7), (27, 17), (10, 14), (22, 19), (27, 9), (25, 18), (7, 11), (3, 1), (8, 4), (3, 12), (15, 21), (19, 14), (27, 16), (21, 3), (2, 19), (19, 18), (18, 22), (10, 4), (21, 17), (10, 22), (21, 7), (2, 15), (8, 20), (1, 21), (2, 2), (11, 12), (11, 3), (10, 18), (8, 8), (7, 6), (12, 16), (25, 15), (2, 16), (11, 7), (6, 7), (19, 16), (6, 16), (20, 14), (6, 2), (23, 5), (6, 15), (3, 5), (15, 6), (21, 1), (23, 7), (13, 11), (20, 2), (10, 3), (3, 11), (9, 6), (6, 5), (15, 10), (25, 4), (9, 18), (8, 17), (5, 13), (4, 21), (2, 13), (6, 1), (14, 5), (3, 16), (10, 9), (27, 6), (4, 13), (5, 14), (6, 21), (22, 12), (22, 10), (19, 11), (18, 20)?

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[User]
In a 21x24 grid, how many different paths are there from the bottom left (0, 0) to the top right (20, 23), if you can only move right or up at each step, subject to the constraint that you cannot move through the following cells: (8, 23), (2, 7), (5, 0), (15, 17), (0, 5), (0, 7), (1, 4), (8, 8), (8, 17), (16, 3), (7, 22), (15, 21), (7, 3), (13, 2), (20, 16), (5, 9), (19, 16), (8, 6), (8, 19), (3, 16), (18, 15), (7, 2), (0, 10), (14, 12), (3, 3), (2, 11), (14, 18), (12, 14), (14, 0), (10, 8), (10, 5), (13, 16), (9, 18), (12, 0), (0, 17), (6, 23), (19, 12), (2, 16), (18, 2), (11, 14), (19, 7), (4, 12), (15, 11), (14, 19), (7, 20), (12, 18), (14, 9), (7, 0), (20, 22), (4, 19), (6, 4), (17, 12), (8, 1), (3, 15), (12, 3), (9, 1), (10, 2), (5, 15), (5, 18), (17, 3), (10, 21), (18, 9), (2, 12), (16, 14), (18, 19), (12, 7), (1, 21), (16, 5), (4, 22), (11, 12), (15, 0), (11, 13), (12, 5), (11, 16), (11, 9), (13, 17), (7, 7), (10, 23), (2, 15), (5, 11), (20, 12), (16, 2), (13, 7), (0, 13), (10, 18), (20, 20), (20, 9), (2, 8), (12, 1), (5, 7), (18, 0), (12, 11), (15, 5), (3, 11), (5, 13), (14, 5), (19, 6), (9, 17), (1, 2), (12, 9), (11, 3), (19, 14), (5, 2), (2, 17), (20, 17), (3, 19), (4, 18), (19, 4), (5, 3), (19, 5), (7, 18), (2, 0), (9, 11), (17, 22), (0, 6), (16, 19), (17, 20), (18, 10), (2, 4), (5, 14), (20, 13), (10, 3), (10, 17)?

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[User]
In a 26x20 grid, how many different paths are there from the bottom left (0, 0) to the top right (25, 19), if you can only move right or up at each step, subject to the constraint that you cannot move through the following cells: (16, 7), (15, 17), (22, 19), (19, 10), (12, 12), (15, 18), (24, 14), (19, 17), (24, 5), (4, 17), (1, 16), (16, 12), (9, 0), (10, 9), (12, 4), (4, 7), (5, 11), (14, 3), (11, 7), (10, 18), (0, 7), (2, 17), (23, 10), (3, 17), (3, 14), (13, 1), (9, 19), (14, 6), (13, 4), (22, 12), (0, 16), (2, 2), (11, 6), (2, 12), (23, 11), (0, 11), (3, 0), (6, 0), (12, 11), (9, 10), (2, 4), (12, 5), (6, 9), (25, 11), (24, 19), (16, 3), (6, 11), (4, 10), (9, 18), (20, 12), (1, 13), (4, 6), (8, 16), (1, 15), (19, 13), (15, 0), (23, 7), (1, 9), (13, 17), (14, 4), (15, 3), (5, 18), (14, 13), (6, 6), (17, 4), (13, 14), (24, 6), (18, 10), (13, 5), (0, 2), (9, 13), (14, 9), (24, 17), (2, 13), (23, 19), (20, 7), (11, 11), (14, 14), (3, 8), (22, 3), (21, 15), (9, 3), (7, 1), (1, 18), (4, 8), (14, 0), (16, 8), (21, 5), (12, 10), (22, 5), (2, 19), (25, 3), (18, 3), (13, 10), (21, 19), (6, 8), (13, 0), (1, 10), (16, 19), (24, 3), (24, 13), (7, 14), (8, 8), (15, 15), (2, 1), (10, 19), (12, 19), (18, 7), (17, 8), (4, 19), (17, 0), (21, 1), (12, 6), (2, 16), (10, 14), (13, 13), (21, 2), (24, 15), (20, 14), (11, 18), (25, 1), (22, 10), (2, 6), (3, 18), (3, 12), (5, 16), (14, 5), (22, 11), (17, 14), (14, 15), (19, 18), (10, 5)?

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[User]
In a 20x26 grid, how many different paths are there from the bottom left (0, 0) to the top right (19, 25), if you can only move right or up at each step, subject to the constraint that you cannot move through the following cells: (17, 20), (16, 3), (1, 11), (19, 9), (13, 12), (9, 8), (16, 24), (12, 0), (15, 4), (6, 15), (9, 17), (12, 15), (17, 1), (3, 20), (10, 19), (12, 3), (9, 1), (11, 9), (18, 20), (8, 19), (8, 25), (3, 23), (15, 24), (0, 22), (11, 17), (1, 16), (13, 21), (0, 19), (17, 14), (8, 16), (0, 7), (9, 7), (2, 4), (16, 5), (18, 2), (11, 10), (15, 5), (13, 22), (4, 11), (11, 22), (0, 17), (13, 7), (1, 14), (2, 1), (0, 12), (19, 20), (3, 8), (3, 21), (11, 24), (4, 21), (19, 7), (19, 6), (8, 11), (10, 17), (4, 15), (15, 11), (0, 21), (9, 12), (2, 14), (15, 22), (11, 1), (0, 8), (1, 4), (7, 17), (8, 18), (3, 2), (4, 10), (18, 22), (18, 23), (2, 2), (8, 22), (7, 8), (13, 8), (14, 19), (16, 25), (6, 17), (9, 21), (8, 4), (1, 24), (2, 12), (13, 25), (8, 6), (4, 7), (13, 18), (7, 25), (16, 21), (17, 18), (10, 25), (2, 24), (8, 10), (11, 19), (8, 15), (1, 2)?

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[User]
In a 22x26 grid, how many different paths are there from the bottom left (0, 0) to the top right (21, 25), if you can only move right or up at each step, subject to the constraint that you cannot move through the following cells: (16, 0), (6, 11), (11, 3), (17, 15), (21, 14), (4, 18), (13, 18), (10, 0), (16, 20), (19, 24), (12, 6), (14, 10), (6, 14), (7, 25), (11, 6), (19, 12), (7, 4), (7, 17), (16, 16), (18, 13), (2, 10), (0, 24), (3, 18), (10, 14), (21, 21), (8, 17), (12, 23), (1, 7), (19, 6), (9, 7), (13, 4), (11, 14), (17, 1), (19, 19), (3, 16), (19, 13), (3, 2), (15, 5), (15, 3), (2, 7), (10, 7), (3, 11), (5, 11), (8, 18), (19, 10), (7, 8), (9, 10), (19, 20), (16, 21), (2, 11), (16, 25), (0, 17), (9, 14), (12, 5), (7, 1), (21, 22), (6, 8), (4, 2), (19, 17), (14, 9), (11, 19), (9, 1), (12, 21), (16, 13), (10, 17), (14, 18), (21, 2), (19, 9), (13, 15), (10, 6), (18, 10), (14, 19), (20, 23), (8, 15), (20, 4), (17, 11), (18, 3), (9, 20), (7, 15), (14, 7), (16, 3), (13, 8), (21, 20), (6, 25), (21, 16), (14, 8), (14, 6), (19, 22), (14, 20), (18, 20), (21, 0), (21, 10), (11, 9), (11, 1), (20, 2), (1, 23), (4, 11), (4, 8), (12, 8), (3, 8), (11, 8), (10, 22), (0, 18), (20, 0), (1, 13), (3, 4), (12, 12), (3, 19), (20, 3), (14, 15), (17, 18), (6, 16), (11, 24), (15, 7), (17, 21), (8, 6), (15, 16), (3, 21), (12, 20), (1, 20), (20, 15), (1, 14), (19, 7), (18, 7), (3, 20), (13, 16), (4, 24), (20, 7), (19, 0), (3, 1), (11, 2), (21, 8), (0, 15), (9, 23), (14, 14), (0, 20), (20, 12), (20, 14), (20, 13), (15, 9), (14, 16), (2, 19), (6, 23), (0, 16), (14, 13), (3, 14), (17, 22), (8, 9), (7, 24), (16, 2), (6, 15), (13, 20)?

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[User]
In a 27x28 grid, how many different paths are there from the bottom left (0, 0) to the top right (26, 27), if you can only move right or up at each step, subject to the constraint that you cannot move through the following cells: (21, 7), (4, 13), (17, 12), (11, 9), (23, 19), (13, 13), (26, 23), (5, 7), (16, 13), (1, 18), (23, 25), (10, 4), (20, 23), (4, 1), (13, 20), (18, 9), (14, 14), (8, 10), (25, 2), (6, 24), (14, 18), (8, 0), (4, 18), (15, 4), (25, 1), (22, 14), (25, 8), (17, 25), (12, 10), (4, 25), (21, 16), (0, 10), (14, 27), (25, 25), (16, 12), (21, 17), (23, 27), (8, 22), (19, 4), (3, 0), (20, 5), (26, 20), (17, 27), (22, 12), (16, 23), (10, 18), (16, 25), (4, 26), (13, 10), (24, 12), (16, 9), (5, 19), (15, 16), (5, 15), (0, 25), (10, 7), (7, 20), (1, 11), (1, 14), (3, 14), (0, 26), (13, 1), (15, 19), (8, 8), (13, 18), (0, 8), (9, 2), (8, 23), (21, 12), (3, 11), (18, 12), (12, 4), (19, 24), (18, 23), (21, 25), (11, 15), (17, 13), (24, 11), (22, 8), (6, 17), (12, 23), (8, 5), (8, 21), (3, 8), (9, 22), (10, 16), (6, 23), (5, 11), (7, 9), (3, 3), (16, 27), (6, 3), (4, 21), (22, 25), (10, 15), (21, 22), (12, 2), (12, 1), (20, 13), (6, 22), (2, 16), (19, 17), (7, 13), (22, 5), (13, 16), (22, 1), (21, 0), (2, 3), (18, 4), (15, 15), (5, 13), (1, 4), (11, 1), (12, 8), (0, 14), (24, 13), (23, 18), (9, 17), (13, 0), (18, 0), (26, 26), (17, 10), (15, 13), (10, 20), (10, 17), (18, 17), (6, 15), (0, 9), (15, 6), (0, 20), (4, 16), (2, 6), (13, 21), (7, 21), (23, 10), (8, 2), (17, 16), (9, 15), (2, 25), (0, 22), (0, 23), (23, 6), (14, 11), (10, 0), (9, 7), (19, 3), (0, 13), (25, 3), (3, 4), (26, 1), (17, 14), (24, 19), (17, 9), (3, 24), (2, 11), (10, 10), (1, 22), (18, 1), (6, 4), (25, 13), (15, 23), (22, 27), (5, 23), (1, 26), (13, 3), (18, 16), (4, 15), (25, 26), (9, 10), (18, 5), (14, 10), (0, 12), (9, 13), (14, 13), (20, 17), (16, 24), (14, 19), (5, 2), (23, 9), (17, 18), (7, 15), (19, 6), (4, 11), (22, 16), (24, 8), (19, 14), (16, 19)?

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[User]
In a 28x22 grid, how many different paths are there from the bottom left (0, 0) to the top right (27, 21), if you can only move right or up at each step, subject to the constraint that you cannot move through the following cells: (11, 11), (17, 14), (19, 16), (20, 9), (13, 10), (22, 6), (1, 4), (23, 20), (0, 6), (5, 21), (0, 18), (10, 8), (27, 6), (6, 19), (17, 9), (8, 13), (20, 8), (6, 15), (10, 14), (24, 19), (12, 5), (11, 1), (26, 6), (9, 10), (14, 19), (4, 1), (21, 6), (9, 13), (17, 2), (6, 1), (20, 11), (5, 15), (19, 7), (16, 18), (4, 16), (6, 16), (13, 8), (15, 19), (12, 19), (19, 20), (25, 7), (12, 7), (12, 4), (12, 6), (21, 8), (9, 2), (10, 21), (3, 11), (27, 10), (24, 7), (15, 8), (16, 17), (16, 0), (1, 8), (25, 17), (27, 13), (10, 12), (15, 16), (1, 21), (14, 8), (18, 11), (3, 5), (0, 12), (7, 19), (16, 21), (27, 5), (9, 3), (8, 11), (19, 1), (23, 10), (16, 11), (5, 2), (8, 14), (23, 0), (5, 0), (24, 20), (1, 13), (27, 11), (11, 9), (2, 1), (11, 19), (7, 4), (2, 2), (25, 5), (16, 2), (21, 3), (5, 10), (4, 0), (3, 20), (20, 16), (9, 17), (27, 16), (17, 10), (26, 9), (13, 16), (7, 16), (12, 3), (15, 14), (6, 12), (20, 1), (20, 12), (13, 17), (9, 4), (22, 16), (10, 19), (3, 8), (3, 12), (18, 1), (20, 0), (2, 6), (9, 19), (13, 7), (14, 2), (15, 7), (2, 11), (11, 16), (16, 4), (22, 9), (22, 13), (10, 11), (22, 4), (8, 8), (15, 2), (0, 4), (18, 3), (19, 2), (17, 17), (24, 16), (2, 21), (7, 1), (14, 3), (17, 16), (9, 15), (16, 19), (18, 4), (14, 18), (14, 1), (17, 0), (16, 1), (27, 4), (13, 19), (15, 3), (4, 4), (8, 5), (8, 9), (15, 17), (6, 9), (21, 15), (11, 20), (25, 14), (14, 4), (15, 13), (11, 4), (7, 5), (14, 16), (4, 17), (7, 6)?

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[User]
In a 24x27 grid, how many different paths are there from the bottom left (0, 0) to the top right (23, 26), if you can only move right or up at each step, subject to the constraint that you cannot move through the following cells: (0, 1), (20, 1), (8, 26), (15, 11), (22, 10), (10, 23), (10, 1), (19, 6), (13, 14), (23, 14), (18, 23), (9, 14), (23, 17), (15, 22), (13, 24), (6, 19), (7, 13), (0, 3), (11, 17), (12, 20), (22, 16), (0, 16), (12, 8), (22, 7), (4, 22), (2, 19), (16, 23), (5, 7), (19, 25), (20, 0), (1, 8), (19, 19), (1, 16), (18, 16), (4, 16), (6, 17), (11, 7), (2, 23), (16, 22), (22, 20), (5, 16), (15, 20), (11, 12), (15, 23), (6, 21), (5, 3), (3, 26), (17, 26), (20, 25), (14, 9), (17, 10), (5, 8), (11, 4), (5, 25), (14, 13), (7, 7), (14, 19), (3, 10), (23, 8), (18, 4), (21, 9), (2, 3), (1, 18), (19, 0), (4, 10), (8, 25), (10, 11), (6, 14), (15, 12), (1, 13), (15, 6), (17, 3), (11, 2), (10, 2), (9, 22), (4, 4), (15, 0), (11, 25), (2, 1), (21, 18), (23, 22), (22, 8), (3, 5), (6, 7), (23, 19), (21, 23), (6, 5), (20, 7), (8, 15), (21, 21), (21, 20), (0, 18), (1, 14), (19, 1), (7, 10), (10, 4), (4, 19), (20, 15), (7, 16), (10, 25), (19, 7), (5, 26), (23, 6), (8, 9), (9, 25), (20, 23), (21, 19), (20, 2), (10, 14), (11, 1), (16, 10), (22, 25), (17, 21), (5, 1), (19, 23), (8, 6), (2, 17), (11, 8), (6, 18), (0, 20), (9, 6), (11, 9), (2, 24), (23, 2), (15, 13), (0, 24), (23, 13), (7, 2), (16, 2), (4, 6), (0, 2), (20, 19), (12, 0), (17, 24), (1, 5), (2, 18), (7, 3), (11, 23), (9, 19), (9, 12), (1, 10), (14, 18), (1, 15), (17, 4), (11, 19), (19, 26), (0, 7), (1, 20), (1, 21), (18, 0), (8, 3), (1, 4)?

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[User]
In a 25x21 grid, how many different paths are there from the bottom left (0, 0) to the top right (24, 20), if you can only move right or up at each step, subject to the constraint that you cannot move through the following cells: (6, 3), (0, 5), (16, 4), (8, 17), (0, 19), (6, 10), (12, 15), (24, 0), (23, 18), (8, 2), (23, 4), (22, 1), (15, 10), (21, 20), (17, 15), (2, 9), (19, 20), (18, 18), (15, 12), (23, 17), (9, 20), (3, 17), (7, 15), (6, 8), (12, 10), (20, 10), (4, 6), (3, 7), (5, 4), (6, 17), (14, 1), (17, 3), (3, 9), (23, 0), (21, 17), (10, 18), (0, 10), (11, 17), (4, 14), (3, 1), (19, 2), (7, 9), (9, 18), (0, 2), (14, 15), (6, 15), (14, 16), (10, 6), (2, 13), (24, 9), (2, 2), (16, 9), (8, 15), (2, 0), (11, 12), (3, 8), (19, 4), (3, 13), (19, 14), (4, 13), (0, 1), (16, 18), (14, 14), (18, 9), (24, 3), (10, 4), (13, 18), (1, 4), (5, 16), (8, 7), (0, 18), (17, 16), (11, 10), (14, 10), (14, 9), (10, 7), (19, 16), (4, 0), (1, 13), (23, 19), (10, 1), (4, 7), (11, 6), (14, 18), (22, 13), (2, 4), (11, 19), (4, 15), (7, 7)?

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[User]
In a 20x22 grid, how many different paths are there from the bottom left (0, 0) to the top right (19, 21), if you can only move right or up at each step, subject to the constraint that you cannot move through the following cells: (17, 17), (16, 11), (13, 7), (2, 19), (19, 20), (3, 20), (14, 0), (9, 5), (12, 12), (4, 6), (5, 8), (0, 16), (1, 11), (8, 11), (0, 2), (5, 12), (8, 19), (4, 15), (8, 4), (13, 20), (8, 9), (11, 21), (11, 3), (0, 11), (1, 18), (18, 14), (0, 15), (8, 17), (12, 14), (5, 16), (19, 19), (19, 17), (12, 8), (4, 12), (11, 20), (12, 2), (5, 0), (2, 21), (12, 0), (3, 5), (0, 12), (3, 0), (14, 12), (10, 11), (0, 18), (13, 12), (2, 13), (11, 7), (15, 20), (13, 2), (11, 5), (7, 11), (18, 13), (4, 13), (13, 10), (6, 6), (8, 13), (18, 12), (2, 12), (2, 10), (0, 1), (13, 5), (6, 0), (17, 20), (10, 8), (16, 10), (13, 3), (2, 15), (8, 2), (13, 18), (5, 21), (14, 2), (18, 15), (13, 15), (3, 15), (18, 6), (5, 1), (6, 7), (11, 15), (5, 10), (9, 0), (5, 18), (10, 15), (19, 13), (7, 0), (1, 20), (16, 19), (6, 15), (0, 20), (0, 14), (7, 10), (0, 7), (17, 11), (4, 10), (0, 5), (7, 12), (7, 4), (2, 9), (14, 8), (19, 6), (2, 5), (13, 21), (18, 4), (3, 19), (14, 21), (17, 10), (4, 11), (0, 8), (16, 9), (17, 5), (8, 7)?

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[User]
In a 21x26 grid, how many different paths are there from the bottom left (0, 0) to the top right (20, 25), if you can only move right or up at each step, subject to the constraint that you cannot move through the following cells: (5, 9), (5, 13), (2, 17), (17, 15), (5, 15), (1, 17), (16, 3), (17, 21), (7, 17), (15, 17), (20, 1), (4, 17), (19, 17), (19, 1), (0, 20), (8, 12), (5, 2), (20, 7), (9, 4), (0, 4), (15, 0), (20, 8), (13, 8), (6, 19), (3, 18), (14, 0), (14, 19), (6, 4), (17, 12), (16, 21), (12, 10), (17, 0), (15, 10), (15, 11), (0, 19), (11, 17), (15, 2), (18, 18), (9, 7), (5, 0), (0, 25), (8, 5), (12, 7), (20, 11), (0, 1), (6, 18), (19, 21), (3, 12), (8, 24), (16, 6), (12, 25), (11, 4), (18, 19), (12, 18), (2, 6), (5, 22), (2, 0), (6, 9), (10, 15), (16, 18), (16, 9), (8, 15), (10, 17), (17, 24), (3, 19), (15, 19), (13, 11), (15, 24), (7, 1), (17, 19), (0, 21), (11, 21), (7, 2), (4, 8), (0, 2), (19, 19), (10, 18), (2, 22), (12, 6), (0, 24), (17, 5), (15, 14), (13, 24), (1, 9), (13, 23), (20, 19), (4, 5), (14, 13), (0, 14), (14, 7), (11, 19), (7, 6), (7, 8), (20, 12), (6, 1), (20, 16), (20, 10), (14, 3), (4, 9), (9, 8), (7, 3), (17, 14), (8, 4), (14, 4), (8, 16), (20, 2), (19, 5), (19, 20), (3, 13), (10, 2), (12, 8), (13, 2), (1, 2), (15, 15), (4, 7), (1, 6), (8, 3), (16, 4), (11, 11), (12, 23), (16, 25), (6, 23), (3, 24), (13, 7), (13, 13), (7, 9), (6, 10), (11, 1), (18, 12), (5, 18), (10, 5), (9, 6), (6, 6), (11, 13), (11, 16), (6, 22), (0, 5), (1, 11), (15, 16), (1, 21), (9, 12), (17, 22)?

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[User]
In a 27x23 grid, how many different paths are there from the bottom left (0, 0) to the top right (26, 22), if you can only move right or up at each step, subject to the constraint that you cannot move through the following cells: (10, 16), (19, 19), (12, 5), (8, 13), (12, 14), (4, 15), (0, 20), (24, 7), (11, 4), (7, 7), (24, 12), (24, 1), (1, 19), (7, 4), (12, 13), (23, 21), (8, 9), (0, 13), (20, 11), (9, 5), (13, 19), (10, 4), (18, 6), (22, 0), (8, 4), (19, 21), (2, 5), (4, 1), (23, 9), (9, 6), (10, 0), (9, 4), (0, 7), (1, 3), (23, 14), (22, 6), (0, 2), (9, 2), (8, 16), (7, 13), (8, 22), (18, 21), (25, 20), (10, 10), (3, 16), (22, 21), (26, 13), (7, 17), (8, 6), (23, 6), (2, 19), (20, 3), (5, 14), (3, 0), (22, 5), (23, 7), (12, 16), (19, 14), (14, 12), (14, 11), (0, 15), (25, 11), (20, 18), (10, 3), (11, 12), (13, 5), (12, 19), (14, 10), (23, 19), (26, 3), (0, 1), (21, 1), (16, 1), (26, 10), (9, 16), (20, 0), (17, 11), (17, 0), (2, 0), (3, 4), (17, 3), (23, 17), (20, 13), (4, 10), (18, 5), (11, 1), (6, 4), (1, 4), (25, 22), (4, 8), (8, 11), (26, 11), (8, 18), (2, 1), (9, 17), (10, 15), (20, 7), (5, 18), (24, 0), (5, 8), (17, 20), (6, 1), (22, 20), (24, 13), (21, 9), (20, 8), (8, 0), (18, 20), (24, 3), (11, 19), (15, 12), (14, 1), (0, 16), (1, 11), (3, 17), (3, 1), (24, 11), (5, 13), (12, 10), (22, 18), (18, 14), (6, 10), (16, 0), (14, 17), (13, 13), (17, 12), (17, 8), (0, 21), (2, 8), (12, 20), (6, 16), (15, 3), (5, 3), (12, 21), (12, 17), (24, 9), (8, 2), (12, 0), (16, 4), (7, 19), (14, 3), (3, 22), (15, 18), (11, 8)?

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[User]
In a 21x25 grid, how many different paths are there from the bottom left (0, 0) to the top right (20, 24), if you can only move right or up at each step, subject to the constraint that you cannot move through the following cells: (10, 13), (11, 16), (13, 2), (4, 16), (13, 11), (7, 9), (13, 7), (17, 14), (0, 1), (10, 17), (8, 0), (0, 10), (17, 16), (6, 14), (10, 5), (15, 2), (5, 7), (11, 4), (11, 0), (3, 14), (3, 23), (7, 23), (7, 16), (9, 16), (13, 17), (17, 2), (9, 3), (4, 20), (1, 22), (19, 12), (20, 14), (2, 20), (20, 22), (8, 9), (18, 15), (18, 16), (12, 8), (7, 10), (15, 16), (4, 7), (5, 21), (18, 20), (5, 22), (5, 24), (6, 13), (9, 1), (19, 14), (7, 18), (7, 22), (13, 24), (1, 2), (13, 12), (14, 24), (11, 9), (12, 10), (1, 14), (3, 8), (3, 21), (20, 10), (10, 21), (9, 17), (17, 24), (15, 22), (2, 17), (7, 24), (9, 22), (8, 1), (1, 8), (15, 14), (7, 2), (9, 0), (7, 21), (3, 15), (1, 3), (17, 19), (18, 7), (3, 13), (12, 12), (18, 2), (14, 2), (18, 19), (7, 7), (3, 17), (17, 21), (4, 8), (1, 24), (17, 15), (20, 11), (10, 1), (15, 0), (7, 6), (14, 11), (14, 9), (4, 6), (14, 18), (19, 18), (9, 2), (5, 1), (3, 11), (17, 12), (1, 7), (14, 23), (19, 15), (13, 3), (14, 7), (19, 19), (18, 14), (19, 16), (2, 4), (15, 5), (4, 24), (3, 24), (19, 4), (9, 19), (13, 18), (10, 11), (1, 20), (15, 19), (12, 19), (1, 10), (15, 6), (1, 1), (16, 1), (4, 9), (12, 17), (12, 1), (0, 6), (16, 20)?

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[User]
In a 25x24 grid, how many different paths are there from the bottom left (0, 0) to the top right (24, 23), if you can only move right or up at each step, subject to the constraint that you cannot move through the following cells: (24, 0), (17, 0), (17, 16), (19, 22), (20, 20), (0, 15), (13, 14), (7, 7), (18, 6), (15, 12), (4, 5), (11, 23), (23, 22), (17, 9), (21, 2), (19, 11), (3, 5), (22, 6), (16, 2), (13, 13), (8, 17), (18, 19), (0, 8), (12, 1), (9, 11), (18, 8), (3, 13), (23, 3), (24, 15), (18, 21), (15, 1), (24, 8), (2, 3), (16, 12), (22, 9), (0, 14), (2, 18), (3, 16), (24, 3), (7, 15), (13, 23), (22, 18), (9, 1), (3, 20), (24, 9), (4, 2), (24, 12), (11, 0), (5, 3), (21, 11), (15, 3), (15, 4), (22, 13), (1, 4), (15, 5), (21, 6), (17, 13), (3, 12), (16, 0), (23, 15), (5, 13), (23, 11), (5, 14), (13, 15), (3, 8), (12, 10), (5, 16), (8, 22), (12, 2), (8, 23), (14, 1), (7, 9), (18, 17), (13, 17), (9, 8), (13, 3), (8, 16), (8, 5), (18, 0), (2, 8), (18, 13), (0, 20), (6, 5), (12, 12), (7, 13), (17, 6), (6, 2), (11, 8), (23, 10), (1, 0), (8, 19), (6, 23), (6, 11), (22, 19), (6, 20), (4, 13), (4, 1), (3, 1), (2, 13), (20, 10), (20, 16), (12, 8), (3, 0), (21, 9), (19, 1), (12, 23), (23, 23), (2, 1), (22, 11), (12, 19), (23, 19), (2, 14), (7, 11), (13, 5), (16, 8), (11, 16), (5, 6), (2, 17), (10, 13), (23, 16), (3, 22), (9, 6), (24, 7), (19, 14), (4, 10), (7, 16), (2, 9), (19, 8), (5, 17), (22, 2), (13, 0), (14, 0), (16, 6), (17, 18), (6, 19), (23, 14), (6, 17), (7, 18), (10, 23), (17, 2), (18, 10), (9, 20), (11, 22), (16, 21), (8, 11), (9, 0), (3, 17), (14, 19), (1, 15), (10, 22), (15, 8), (4, 6), (23, 7), (18, 5), (6, 14), (23, 17), (15, 13)?

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[User]
In a 23x29 grid, how many different paths are there from the bottom left (0, 0) to the top right (22, 28), if you can only move right or up at each step, subject to the constraint that you cannot move through the following cells: (4, 2), (21, 4), (22, 14), (18, 16), (1, 13), (14, 25), (13, 12), (19, 26), (13, 15), (11, 17), (20, 17), (18, 15), (10, 7), (10, 22), (4, 8), (17, 12), (18, 6), (1, 19), (6, 9), (1, 5), (0, 2), (17, 18), (5, 9), (17, 1), (14, 4), (8, 1), (14, 15), (7, 15), (21, 26), (14, 0), (15, 20), (0, 9), (15, 12), (20, 15), (4, 11), (21, 6), (1, 2), (22, 20), (4, 25), (0, 18), (1, 16), (2, 11), (21, 17), (3, 22), (11, 4), (5, 25), (22, 6), (6, 23), (20, 24), (18, 20), (14, 3), (16, 15), (10, 1), (4, 20), (20, 7), (8, 28), (2, 8), (9, 28), (14, 22), (15, 8), (3, 24), (16, 18), (4, 7), (16, 20), (4, 5), (11, 3), (8, 21), (11, 18), (9, 12), (11, 24), (20, 3), (5, 3), (2, 28), (0, 4), (21, 18), (16, 19), (14, 16), (4, 24), (20, 16), (10, 5), (10, 14), (8, 7), (17, 28), (17, 17), (17, 16), (22, 9), (17, 5), (13, 3), (7, 9), (10, 28), (19, 2), (6, 6), (9, 27), (8, 3), (21, 5), (0, 11), (21, 2), (19, 22), (19, 9), (7, 26), (9, 20), (8, 23), (16, 12), (1, 15), (11, 14), (21, 1), (5, 12), (13, 10), (8, 27), (12, 1), (14, 26), (1, 28), (13, 27), (18, 8), (4, 28), (10, 2), (2, 18), (11, 20), (8, 0), (14, 6), (3, 6), (16, 4), (9, 7), (9, 0), (10, 25), (12, 20), (20, 26), (3, 16), (6, 11), (13, 19), (20, 5), (4, 6), (15, 6), (1, 18), (11, 13), (2, 14), (17, 3), (4, 15), (5, 5), (17, 26), (8, 25), (22, 18), (19, 23), (21, 27), (6, 14), (9, 11), (20, 10), (5, 26), (9, 22), (13, 20), (3, 10), (13, 9), (17, 22), (22, 17), (11, 2), (14, 2), (12, 26), (15, 17), (20, 13), (4, 22), (13, 6), (22, 4), (9, 10), (8, 26), (16, 1), (12, 24), (9, 16), (2, 21), (11, 16), (10, 9), (7, 7), (16, 7), (12, 6), (21, 25), (18, 23), (17, 0), (10, 26), (18, 5), (6, 13), (14, 19), (21, 22), (3, 21), (14, 20), (9, 2), (3, 25), (6, 17), (12, 17), (2, 13), (12, 14), (3, 2), (6, 1), (1, 25), (2, 0)?

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[User]
In a 24x24 grid, how many different paths are there from the bottom left (0, 0) to the top right (23, 23), if you can only move right or up at each step, subject to the constraint that you cannot move through the following cells: (22, 9), (7, 14), (14, 23), (18, 6), (9, 15), (10, 6), (9, 8), (9, 21), (9, 23), (22, 19), (7, 19), (18, 23), (13, 7), (10, 19), (7, 15), (18, 8), (7, 22), (21, 9), (21, 11), (22, 23), (21, 20), (5, 9), (14, 18), (13, 11), (3, 8), (20, 17), (14, 6), (19, 16), (5, 20), (18, 0), (2, 8), (17, 8), (23, 13), (17, 19), (20, 14), (22, 8), (20, 21), (11, 23), (15, 6), (8, 8), (1, 6), (14, 16), (3, 15), (8, 3), (11, 3), (13, 12), (9, 6), (16, 17), (21, 15), (8, 13), (15, 20), (16, 1), (23, 6), (22, 1), (3, 6), (1, 3), (6, 20), (15, 5), (2, 22), (6, 8), (3, 13), (16, 9), (14, 1), (18, 22), (11, 6), (15, 17), (2, 16), (21, 2), (13, 1), (18, 20), (19, 5), (18, 18), (22, 5), (17, 4), (1, 12), (6, 13), (22, 20), (14, 21), (1, 0), (20, 11), (0, 9), (2, 23), (9, 4), (9, 13), (18, 9), (6, 15), (15, 21), (2, 12), (19, 22), (20, 8), (3, 5), (10, 5), (8, 0), (1, 19), (19, 1), (1, 21), (6, 0), (14, 13), (12, 14), (6, 12), (18, 21), (9, 22), (3, 18), (20, 20), (0, 10), (19, 19), (16, 14), (6, 6), (4, 10), (21, 13), (7, 10), (15, 18), (23, 1), (23, 7), (17, 14), (7, 23), (1, 7), (0, 4), (16, 21), (8, 14), (1, 22), (7, 13), (20, 3), (6, 18), (16, 23), (4, 12), (11, 12), (10, 23), (2, 15), (10, 18), (6, 7), (16, 10), (14, 0), (3, 23), (17, 21), (23, 2), (18, 2), (0, 23), (4, 7), (16, 18), (19, 3), (20, 23), (16, 15), (6, 23), (3, 10), (18, 11), (13, 9), (14, 20), (10, 12), (20, 0), (15, 2), (2, 13), (11, 21), (10, 20), (8, 11), (1, 1), (10, 7)?

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[User]
In a 29x27 grid, how many different paths are there from the bottom left (0, 0) to the top right (28, 26), if you can only move right or up at each step, subject to the constraint that you cannot move through the following cells: (26, 0), (20, 20), (15, 8), (4, 5), (0, 13), (14, 17), (15, 4), (3, 7), (20, 26), (28, 15), (5, 23), (28, 17), (25, 2), (26, 14), (18, 17), (19, 21), (22, 12), (4, 9), (23, 3), (24, 20), (25, 21), (3, 16), (2, 0), (8, 9), (14, 12), (7, 26), (9, 17), (20, 22), (1, 10), (25, 20), (20, 8), (6, 15), (4, 0), (2, 17), (18, 16), (19, 13), (11, 19), (8, 23), (5, 20), (7, 23), (25, 3), (23, 26), (16, 12), (24, 23), (1, 7), (13, 13), (6, 8), (28, 3), (6, 17), (25, 17), (18, 15), (16, 24), (26, 7), (10, 8), (17, 5), (21, 23), (23, 7), (27, 6), (22, 25), (6, 22), (17, 12), (14, 13), (0, 23), (10, 7), (19, 24), (25, 25), (11, 0), (15, 13), (27, 4), (14, 1), (28, 14), (1, 25), (1, 6), (8, 26), (11, 2), (5, 26), (3, 25), (1, 23), (7, 25), (2, 18), (15, 7), (20, 10), (22, 24), (13, 9), (16, 16), (17, 0), (3, 11), (24, 11), (0, 14), (20, 9), (13, 17), (25, 13), (6, 6), (15, 3), (15, 5), (26, 25), (0, 7), (20, 6), (27, 25), (15, 14), (25, 12), (21, 2), (6, 11), (0, 8), (16, 23), (17, 13), (9, 23), (25, 16), (4, 20), (9, 1), (20, 12), (17, 17), (22, 5), (28, 13), (14, 23), (27, 20), (23, 0), (4, 15), (25, 22), (21, 10), (5, 15), (3, 8), (26, 10), (20, 7), (19, 12), (11, 5), (12, 14), (4, 18), (23, 4), (10, 3), (21, 3), (26, 13), (0, 11), (9, 6), (2, 3), (21, 21), (11, 17), (10, 12), (17, 11), (22, 10), (23, 16), (12, 8), (23, 5), (28, 9), (0, 19), (3, 22), (15, 17), (16, 15), (6, 0), (2, 14), (8, 2), (12, 24), (0, 9), (13, 16), (10, 11), (28, 1), (1, 13), (9, 3), (3, 1), (14, 26), (13, 3), (19, 22), (19, 20), (13, 2), (1, 8), (16, 18), (4, 19), (17, 9), (7, 19), (22, 3), (23, 25), (13, 11), (6, 4), (4, 23), (3, 23), (3, 26), (22, 16), (12, 25), (19, 26), (27, 23), (5, 22), (0, 12), (14, 4), (26, 17), (15, 9), (23, 11), (26, 18), (15, 23), (0, 26), (19, 7), (8, 18), (28, 2), (4, 2), (12, 2), (24, 1), (2, 15), (9, 18), (10, 25), (5, 14), (27, 2), (22, 18), (15, 2), (12, 26), (23, 10), (3, 14), (4, 22), (13, 21), (9, 21), (28, 23), (4, 3), (26, 8), (9, 0), (20, 21), (26, 21), (1, 14), (2, 23), (11, 16), (3, 2), (13, 1), (23, 8), (2, 25), (8, 1), (20, 11), (13, 10), (18, 13), (25, 9), (16, 7), (28, 20), (11, 24), (8, 6), (10, 10), (22, 6), (22, 13), (22, 1), (21, 15), (22, 2), (14, 5), (17, 15), (6, 24), (4, 8), (9, 19), (6, 25), (19, 18), (25, 15), (0, 16), (20, 18), (22, 26), (21, 5), (27, 16), (27, 19), (20, 24), (26, 3), (16, 22), (24, 9), (28, 12), (27, 15), (6, 19), (28, 18), (15, 1), (18, 7), (20, 2), (0, 1)?

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[User]
In a 25x26 grid, how many different paths are there from the bottom left (0, 0) to the top right (24, 25), if you can only move right or up at each step, subject to the constraint that you cannot move through the following cells: (4, 12), (10, 8), (20, 5), (20, 16), (16, 10), (4, 4), (7, 22), (21, 6), (24, 11), (20, 7), (20, 21), (14, 25), (15, 0), (12, 16), (16, 15), (0, 23), (11, 13), (10, 4), (1, 16), (16, 21), (18, 14), (17, 11), (10, 25), (22, 25), (9, 8), (1, 3), (23, 16), (17, 20), (9, 25), (20, 10), (10, 11), (10, 0), (17, 23), (12, 25), (13, 16), (18, 25), (4, 19), (17, 6), (1, 10), (15, 10), (23, 21), (7, 18), (11, 18), (24, 21), (11, 15), (4, 17), (15, 22), (12, 22), (22, 4), (12, 19), (14, 16), (3, 22), (10, 16), (24, 1), (7, 6), (16, 13), (17, 1), (9, 24), (24, 0), (2, 23), (18, 13), (0, 12), (22, 20), (22, 12), (23, 14), (2, 24), (18, 4), (6, 12), (11, 9), (3, 16), (22, 14), (11, 4), (23, 23), (19, 5), (7, 13), (5, 17), (3, 14), (1, 8), (19, 18), (0, 20), (24, 5), (10, 3), (12, 18), (3, 0), (0, 11), (12, 4), (20, 13), (1, 23), (19, 7), (17, 17), (17, 5), (14, 24), (3, 13), (5, 18), (11, 5), (15, 14), (12, 21), (18, 3), (11, 7), (17, 18), (14, 14), (5, 4), (19, 13), (6, 13), (22, 23), (1, 0), (12, 10), (3, 3), (7, 5), (10, 18), (7, 24), (1, 11), (0, 19), (0, 15), (18, 10), (15, 24), (3, 12), (5, 10), (3, 11), (1, 21), (24, 16), (0, 18), (5, 13), (10, 13), (16, 22), (4, 22), (16, 16), (5, 7), (24, 19), (0, 5), (22, 8), (21, 19), (0, 14), (2, 6), (22, 3), (24, 2), (18, 9), (1, 17), (22, 2), (19, 19), (19, 12), (1, 25), (3, 19), (21, 21), (13, 22), (12, 7), (21, 0), (9, 10), (2, 18), (23, 11), (13, 2), (1, 5), (5, 22), (12, 9), (14, 1), (18, 1), (22, 16), (16, 9), (12, 11), (19, 16), (13, 14), (2, 13), (21, 24)?

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[User]
In a 22x20 grid, how many different paths are there from the bottom left (0, 0) to the top right (21, 19), if you can only move right or up at each step, subject to the constraint that you cannot move through the following cells: (13, 0), (12, 15), (19, 10), (19, 1), (9, 6), (14, 10), (12, 4), (5, 17), (16, 14), (14, 18), (8, 8), (3, 12), (21, 5), (14, 3), (1, 1), (5, 15), (9, 19), (4, 4), (11, 8), (2, 4), (17, 9), (5, 2), (21, 13), (19, 17), (3, 17), (19, 16), (10, 5), (10, 1), (15, 8), (3, 10), (7, 17), (8, 7), (5, 10), (16, 3), (17, 2), (15, 13), (20, 19), (1, 16), (4, 3), (1, 3), (6, 5), (10, 15), (21, 14), (12, 3), (21, 11), (7, 12), (17, 10), (15, 16), (12, 11), (2, 9), (8, 17), (21, 1), (19, 7), (4, 1), (18, 0), (21, 8), (4, 14), (3, 19), (18, 3), (16, 10), (12, 17), (18, 13), (1, 15), (13, 7), (2, 18), (20, 15), (16, 13), (5, 4), (21, 17), (9, 15), (7, 1), (0, 7), (1, 14), (9, 2), (6, 18), (11, 16), (21, 3), (15, 4), (4, 15), (20, 0), (3, 5), (11, 1), (8, 15), (4, 5), (7, 16), (18, 7), (14, 2), (7, 13), (3, 1), (13, 8), (5, 14), (8, 19), (15, 10), (6, 13), (9, 8), (9, 13), (6, 19), (13, 12), (7, 10), (8, 12), (10, 9), (15, 11), (1, 10), (0, 6), (1, 18), (18, 5), (21, 0), (13, 4), (19, 6), (18, 14), (19, 8), (7, 18), (7, 14), (15, 0), (4, 17), (5, 6), (0, 9), (3, 18), (7, 7), (10, 19), (13, 5), (2, 17), (3, 3), (14, 13), (7, 8)?

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[User]
In a 20x29 grid, how many different paths are there from the bottom left (0, 0) to the top right (19, 28), if you can only move right or up at each step, subject to the constraint that you cannot move through the following cells: (12, 26), (16, 26), (0, 9), (3, 23), (7, 5), (19, 26), (19, 5), (4, 3), (8, 20), (8, 19), (11, 22), (4, 20), (19, 7), (7, 15), (16, 13), (15, 18), (14, 3), (13, 12), (11, 2), (7, 14), (15, 1), (5, 10), (18, 23), (10, 2), (6, 26), (16, 11), (4, 4), (9, 19), (2, 3), (8, 21), (14, 20), (19, 15), (2, 9), (12, 22), (15, 6), (2, 7), (5, 19), (19, 1), (15, 5), (2, 11), (4, 5), (13, 27), (5, 14), (4, 0), (6, 21), (8, 26), (18, 6), (4, 15), (15, 9), (0, 19), (10, 8), (8, 1), (13, 11), (18, 21), (4, 7), (11, 14), (19, 8), (12, 8), (13, 17), (10, 28), (5, 12), (9, 25), (15, 16), (0, 13), (8, 14), (13, 9), (16, 8), (8, 8), (10, 10), (7, 9), (1, 8), (10, 23), (10, 11), (3, 21), (12, 9), (18, 2), (13, 24), (18, 12), (16, 23), (8, 27), (15, 19), (3, 24), (10, 1), (7, 13), (14, 21), (15, 12), (4, 13), (2, 23), (18, 13), (2, 4), (17, 19), (2, 10), (14, 2), (7, 19), (0, 18), (9, 2), (3, 26), (17, 0), (12, 7), (15, 23), (6, 6), (8, 5), (1, 9), (15, 27), (6, 18), (4, 12), (7, 4), (9, 24), (19, 6), (11, 28), (2, 6), (11, 16), (18, 28), (14, 5), (16, 17), (17, 2), (6, 5), (3, 12), (17, 26), (11, 7), (9, 18), (12, 20), (0, 12), (3, 25), (8, 12), (15, 11), (16, 24)?

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[User]
In a 25x29 grid, how many different paths are there from the bottom left (0, 0) to the top right (24, 28), if you can only move right or up at each step, subject to the constraint that you cannot move through the following cells: (20, 5), (18, 3), (16, 26), (14, 24), (14, 15), (0, 8), (1, 2), (7, 28), (6, 14), (13, 28), (21, 7), (24, 8), (5, 19), (5, 14), (21, 17), (4, 27), (18, 6), (6, 17), (4, 3), (13, 15), (10, 0), (11, 8), (8, 27), (7, 14), (8, 26), (19, 14), (20, 6), (0, 4), (23, 28), (8, 13), (1, 13), (1, 20), (11, 18), (8, 21), (9, 4), (6, 18), (18, 23), (5, 18), (16, 23), (11, 17), (19, 11), (23, 15), (24, 13), (13, 25), (23, 17), (16, 4), (24, 2), (11, 13), (2, 24), (14, 28), (1, 25), (20, 24), (15, 14), (11, 25), (20, 18), (10, 8), (0, 27), (16, 15), (8, 16), (5, 8), (15, 24), (0, 7), (7, 15), (6, 20), (11, 9), (20, 16), (22, 18), (19, 13), (15, 2), (7, 6), (8, 15), (22, 15), (19, 28), (1, 7), (3, 16), (15, 7), (14, 7), (16, 24), (24, 4), (9, 14), (13, 11), (2, 8), (19, 18), (9, 16), (13, 7), (19, 4), (19, 7), (12, 18), (6, 8), (21, 27), (23, 24), (17, 5), (12, 4), (20, 14), (2, 12), (22, 7), (4, 14), (22, 1), (14, 21), (24, 16), (15, 11), (8, 4), (9, 7), (0, 2), (10, 2), (19, 17), (23, 3), (20, 9), (15, 22), (23, 16), (21, 5), (14, 5), (8, 25), (20, 7), (2, 18), (5, 9), (10, 4), (7, 27), (22, 19), (22, 25), (12, 17), (5, 1), (5, 23), (11, 7), (0, 22), (15, 20), (7, 23), (17, 9), (1, 28), (12, 20), (13, 24), (20, 12), (24, 3), (19, 20), (24, 9), (17, 22), (7, 12), (18, 2), (6, 7), (3, 1), (8, 10), (4, 26), (10, 10), (12, 6), (20, 4), (1, 21), (11, 3), (3, 28), (8, 17), (12, 26), (12, 27), (20, 2), (13, 16), (16, 1), (19, 6), (24, 21), (10, 14), (13, 20), (5, 12), (4, 23), (21, 14), (2, 1), (11, 20), (21, 13), (22, 3), (19, 25), (21, 12), (16, 7), (23, 5), (5, 0)?

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[User]
In a 20x29 grid, how many different paths are there from the bottom left (0, 0) to the top right (19, 28), if you can only move right or up at each step, subject to the constraint that you cannot move through the following cells: (2, 18), (5, 21), (1, 7), (13, 4), (18, 26), (10, 15), (4, 28), (10, 22), (14, 2), (7, 26), (5, 2), (13, 2), (9, 14), (9, 27), (19, 5), (19, 11), (10, 3), (5, 25), (10, 16), (18, 0), (6, 2), (19, 17), (5, 3), (6, 23), (1, 21), (4, 23), (0, 14), (9, 6), (16, 24), (19, 21), (2, 11), (4, 10), (2, 15), (19, 27), (7, 8), (18, 21), (4, 14), (11, 26), (1, 26), (8, 25), (9, 9), (12, 13), (7, 3), (17, 1), (7, 22), (1, 12), (16, 7), (5, 28), (12, 18), (13, 12), (4, 20), (11, 19), (16, 22), (4, 3), (7, 20), (16, 10), (0, 20), (12, 2), (6, 25), (2, 20), (6, 24), (17, 27), (10, 20), (3, 23), (5, 23), (11, 7), (18, 1), (5, 7), (4, 15), (14, 4), (4, 27), (15, 2), (14, 14), (6, 28), (17, 11), (14, 3), (11, 4), (18, 27), (18, 15), (0, 2), (2, 27), (4, 6), (10, 11), (13, 9), (3, 5), (19, 10), (11, 20), (9, 7), (12, 28), (12, 9), (16, 12), (7, 0), (9, 12), (1, 2), (7, 28), (7, 19), (16, 27), (15, 27), (8, 14), (11, 1), (7, 1), (12, 25), (15, 19), (7, 14), (5, 19), (2, 22), (3, 13), (17, 19), (11, 12), (8, 27), (8, 17), (15, 24), (19, 22), (12, 23), (15, 20), (3, 11), (13, 18)?

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[User]
In a 24x25 grid, how many different paths are there from the bottom left (0, 0) to the top right (23, 24), if you can only move right or up at each step, subject to the constraint that you cannot move through the following cells: (4, 16), (5, 15), (0, 18), (14, 16), (3, 11), (11, 9), (19, 19), (3, 14), (2, 0), (13, 22), (22, 11), (22, 3), (19, 6), (3, 15), (22, 10), (13, 6), (19, 14), (8, 21), (8, 7), (2, 3), (18, 5), (13, 5), (7, 9), (12, 23), (7, 16), (10, 4), (21, 23), (6, 24), (20, 6), (3, 24), (18, 15), (13, 16), (9, 15), (20, 16), (10, 5), (12, 0), (2, 12), (5, 12), (2, 2), (18, 4), (20, 14), (5, 6), (22, 21), (11, 23), (7, 0), (20, 17), (0, 24), (2, 8), (5, 14), (6, 6), (20, 3), (19, 5), (12, 5), (22, 9), (1, 2), (3, 17), (14, 3), (14, 13), (7, 12), (0, 1), (5, 19), (21, 20), (23, 2), (14, 6), (17, 20), (14, 8), (23, 1), (15, 11), (16, 2), (8, 0), (9, 1), (18, 22), (19, 3), (5, 18), (20, 10), (3, 7), (5, 5), (9, 17), (7, 14), (0, 2), (9, 2), (7, 4), (3, 16), (7, 23), (21, 12), (1, 24), (15, 8), (6, 3), (5, 20), (5, 0), (21, 9), (12, 21), (14, 17), (3, 19), (17, 4), (1, 10), (2, 7), (19, 4), (9, 10), (18, 16), (5, 8), (22, 13), (19, 15), (19, 16), (11, 20), (3, 22), (8, 2), (10, 20), (17, 22), (22, 14), (15, 9), (4, 1), (19, 23), (16, 7), (15, 18), (4, 3), (12, 8), (18, 21), (4, 6), (12, 6), (3, 10), (13, 23), (8, 8), (10, 21), (8, 10), (16, 12), (11, 10), (1, 14), (12, 24), (15, 10), (11, 16), (20, 22), (8, 3), (21, 24)?

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[User]
In a 24x28 grid, how many different paths are there from the bottom left (0, 0) to the top right (23, 27), if you can only move right or up at each step, subject to the constraint that you cannot move through the following cells: (11, 17), (15, 11), (6, 20), (8, 10), (0, 23), (15, 19), (21, 25), (6, 13), (11, 4), (17, 23), (20, 3), (17, 16), (11, 26), (14, 1), (5, 21), (6, 26), (3, 9), (18, 16), (2, 27), (19, 5), (9, 6), (18, 24), (13, 11), (18, 27), (12, 15), (9, 5), (9, 8), (23, 21), (22, 15), (19, 4), (14, 8), (0, 2), (10, 22), (19, 3), (23, 6), (13, 13), (15, 4), (1, 22), (10, 7), (2, 10), (1, 11), (16, 9), (1, 4), (14, 24), (10, 27), (7, 19), (2, 7), (23, 26), (8, 24), (6, 23), (6, 1), (18, 11), (14, 26), (5, 17), (7, 21), (19, 20), (18, 15), (12, 19), (16, 21), (17, 14), (15, 15), (3, 3), (13, 2), (9, 27), (22, 0), (19, 0), (19, 15), (5, 11), (8, 11), (23, 8), (4, 19), (7, 7), (9, 26), (2, 22), (1, 13), (4, 25), (19, 26), (5, 4), (15, 9), (9, 18), (10, 14), (21, 8), (9, 3), (20, 25), (0, 16), (4, 7), (0, 3), (13, 8), (10, 8), (21, 2), (2, 5), (2, 2), (23, 4), (3, 10), (12, 23), (12, 1), (7, 18), (7, 9), (15, 8), (18, 26), (5, 16), (8, 17), (14, 27), (4, 16), (23, 24), (10, 1), (9, 10), (11, 27), (2, 9), (0, 18), (11, 8), (12, 9), (10, 3), (16, 24), (7, 23), (3, 27), (19, 11), (15, 20), (13, 12), (18, 25), (1, 25), (17, 6), (4, 5), (19, 24), (10, 9), (4, 11), (4, 2), (23, 9), (18, 13), (23, 2), (12, 14), (6, 14), (20, 0), (5, 15), (13, 20), (5, 14), (15, 16), (23, 19), (10, 21), (20, 7), (16, 5), (9, 22), (7, 27), (6, 12), (3, 25), (18, 5), (8, 26), (21, 13), (1, 26), (14, 5), (3, 12), (8, 6), (7, 11), (17, 15), (9, 0), (11, 14), (9, 7), (11, 22), (15, 24), (21, 26), (21, 1), (20, 11)?

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[User]
In a 20x29 grid, how many different paths are there from the bottom left (0, 0) to the top right (19, 28), if you can only move right or up at each step, subject to the constraint that you cannot move through the following cells: (0, 15), (18, 21), (4, 25), (14, 16), (8, 21), (15, 9), (10, 22), (19, 13), (16, 9), (12, 14), (3, 2), (12, 0), (11, 25), (16, 8), (16, 27), (5, 9), (2, 24), (12, 19), (19, 6), (1, 2), (10, 6), (4, 23), (10, 20), (17, 10), (13, 15), (5, 3), (4, 21), (3, 21), (9, 15), (13, 6), (3, 13), (3, 15), (0, 17), (7, 15), (12, 17), (7, 1), (0, 8), (3, 8), (5, 1), (6, 2), (11, 20), (12, 23), (9, 16), (17, 13), (0, 9), (13, 9), (2, 23), (8, 28), (13, 8), (9, 22), (14, 3), (10, 5), (10, 4), (14, 23), (1, 9), (6, 13), (8, 0), (11, 3), (16, 1), (1, 25), (2, 7), (18, 5), (17, 6), (10, 28), (11, 16), (3, 4), (7, 3), (1, 12), (13, 27), (18, 14), (14, 10), (5, 12), (18, 3), (19, 17), (9, 1), (3, 17), (5, 16), (15, 5), (18, 2), (6, 12), (7, 5), (10, 16), (0, 14), (12, 21), (17, 5), (8, 5), (10, 14), (2, 27), (4, 7), (19, 21), (11, 24), (8, 13), (14, 2), (1, 16), (2, 22), (19, 2), (7, 2), (3, 0), (8, 24), (12, 11), (2, 5), (14, 13), (17, 23), (14, 24), (16, 3), (12, 20), (3, 22), (11, 0), (5, 20), (11, 1), (14, 4), (4, 1), (18, 15), (16, 6), (4, 24), (16, 12), (6, 23), (8, 20), (19, 20), (4, 10), (17, 12), (12, 15), (15, 22), (18, 18), (18, 23), (9, 20), (3, 10), (18, 9), (5, 17), (11, 14), (13, 3), (7, 16), (18, 22), (0, 12), (19, 1), (4, 18), (11, 28), (14, 1), (18, 27), (3, 5), (6, 8), (13, 20), (1, 4), (10, 26), (3, 14), (12, 28), (19, 4), (8, 23), (10, 3), (1, 11), (3, 25), (6, 28), (13, 10), (7, 0), (13, 13), (10, 2), (8, 4), (15, 27), (14, 26), (16, 4), (7, 21), (8, 10)?

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[User]
In a 28x25 grid, how many different paths are there from the bottom left (0, 0) to the top right (27, 24), if you can only move right or up at each step, subject to the constraint that you cannot move through the following cells: (17, 7), (13, 15), (10, 18), (21, 5), (13, 14), (26, 5), (24, 9), (27, 2), (16, 14), (8, 18), (27, 3), (26, 16), (26, 17), (17, 21), (26, 11), (24, 1), (0, 9), (20, 8), (26, 9), (19, 5), (25, 7), (17, 16), (10, 13), (16, 8), (13, 9), (10, 20), (19, 20), (7, 15), (15, 7), (13, 0), (23, 7), (26, 21), (7, 9), (21, 4), (13, 4), (24, 24), (8, 2), (15, 6), (22, 23), (26, 2), (27, 4), (26, 4), (23, 1), (22, 5), (24, 16), (17, 13), (18, 5), (23, 16), (25, 1), (6, 7), (13, 2), (2, 23), (1, 1), (20, 7), (15, 17), (13, 23), (26, 8), (13, 17), (18, 8), (13, 19), (2, 9), (19, 18), (27, 17), (5, 6), (18, 2), (22, 18), (5, 2), (25, 12), (19, 1), (18, 20), (12, 15), (21, 11), (21, 9), (12, 18), (12, 9), (8, 23), (11, 10), (26, 23), (11, 5), (23, 24), (22, 3), (7, 6), (27, 13), (3, 15), (26, 7), (21, 12), (18, 0), (9, 3), (14, 14), (0, 16), (4, 22), (20, 20), (27, 20), (2, 21), (3, 20), (7, 5), (17, 0), (10, 4), (7, 13), (23, 9), (8, 5), (23, 13), (21, 2), (23, 10), (15, 16), (20, 19), (2, 15), (27, 21), (9, 9), (26, 20), (23, 4), (10, 0), (14, 21), (4, 24), (0, 10), (0, 17), (0, 1), (17, 23), (11, 1), (18, 9), (3, 17), (23, 23), (18, 16), (0, 5), (14, 13), (23, 11), (21, 7), (5, 15), (25, 23), (11, 0), (2, 22), (10, 21), (0, 12), (23, 17), (14, 4), (25, 13), (3, 11), (1, 2), (22, 20), (16, 18), (16, 17), (12, 6), (3, 2), (4, 18), (5, 22), (15, 3), (23, 2), (27, 9), (9, 22), (1, 4), (20, 0), (4, 23), (6, 22), (7, 17), (16, 12), (24, 8), (22, 6), (11, 8), (18, 13), (22, 0), (24, 21), (4, 1), (21, 22), (15, 14), (19, 9), (19, 12), (7, 8), (5, 18), (6, 9), (6, 17), (21, 15)?

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[User]
In a 22x24 grid, how many different paths are there from the bottom left (0, 0) to the top right (21, 23), if you can only move right or up at each step, subject to the constraint that you cannot move through the following cells: (3, 17), (5, 22), (17, 18), (16, 22), (14, 3), (3, 2), (12, 17), (14, 17), (1, 18), (10, 4), (17, 20), (1, 20), (8, 20), (14, 1), (12, 11), (3, 18), (9, 18), (13, 13), (0, 21), (11, 13), (2, 9), (12, 0), (12, 21), (19, 21), (9, 4), (1, 2), (5, 19), (12, 9), (9, 16), (10, 20), (20, 21), (9, 9), (18, 10), (11, 22), (19, 8), (5, 23), (21, 0), (8, 11), (0, 6), (7, 14), (21, 8), (19, 14), (16, 12), (19, 1), (20, 3), (3, 22), (12, 6), (11, 3), (10, 23), (6, 5), (2, 21), (2, 18), (6, 21), (18, 6), (0, 23), (1, 11), (20, 8), (9, 15), (12, 16), (3, 3), (11, 7), (7, 5), (5, 11), (15, 17), (1, 21), (9, 6), (15, 2), (1, 9), (17, 2), (7, 16), (0, 4), (2, 3), (1, 15), (2, 6), (14, 15), (11, 0), (8, 3), (2, 17), (17, 21), (1, 8), (18, 4), (0, 18), (18, 13), (13, 17), (13, 18), (19, 17), (15, 23), (13, 2), (17, 5), (2, 11), (6, 14), (14, 2), (3, 7), (21, 16), (10, 7), (19, 6), (3, 5), (17, 15), (1, 23), (21, 10), (6, 0), (18, 7), (2, 16), (21, 17), (6, 13), (2, 8), (4, 13), (10, 14), (21, 15), (16, 11), (10, 21), (10, 16), (5, 20), (8, 14), (19, 9), (2, 20), (21, 22), (4, 17), (7, 21), (3, 12), (18, 5), (9, 10), (15, 10), (11, 21), (12, 23), (3, 20), (7, 2), (11, 1), (7, 7), (13, 0), (6, 16), (19, 12), (14, 7), (0, 15), (20, 16), (17, 16), (15, 3), (3, 9), (8, 19), (4, 15), (18, 9), (14, 16)?

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[User]
In a 26x21 grid, how many different paths are there from the bottom left (0, 0) to the top right (25, 20), if you can only move right or up at each step, subject to the constraint that you cannot move through the following cells: (25, 14), (11, 6), (16, 20), (13, 5), (20, 11), (4, 12), (9, 12), (0, 10), (15, 13), (0, 19), (25, 1), (1, 0), (15, 14), (18, 18), (20, 16), (10, 10), (25, 6), (16, 6), (7, 9), (22, 13), (23, 5), (15, 8), (23, 10), (10, 0), (19, 0), (19, 8), (12, 3), (16, 1), (15, 4), (24, 14), (3, 4), (11, 10), (18, 10), (1, 2), (10, 6), (2, 3), (6, 10), (21, 4), (9, 14), (11, 1), (3, 5), (23, 3), (12, 20), (23, 4), (4, 2), (21, 11), (21, 13), (10, 15), (17, 15), (14, 12), (21, 7), (18, 9), (9, 7), (11, 4), (19, 1), (10, 1), (12, 16), (7, 20), (0, 15), (14, 6), (17, 9), (21, 16), (25, 10), (6, 20), (15, 1), (13, 1), (10, 8), (7, 2), (9, 2), (5, 20), (18, 5), (12, 13), (9, 9), (17, 5), (16, 16), (15, 12), (2, 6), (6, 3), (10, 20), (15, 3), (13, 12), (3, 1), (21, 2), (11, 19), (0, 7), (6, 19), (6, 4), (6, 6), (7, 12), (25, 19), (12, 8), (6, 8), (18, 0), (13, 6), (24, 11), (7, 11), (13, 2), (24, 6), (7, 13), (10, 12), (14, 11), (3, 17), (6, 14), (9, 16), (24, 16), (1, 7)?

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[User]
In a 28x28 grid, how many different paths are there from the bottom left (0, 0) to the top right (27, 27), if you can only move right or up at each step, subject to the constraint that you cannot move through the following cells: (22, 7), (19, 18), (16, 27), (5, 2), (13, 7), (0, 24), (17, 24), (5, 10), (14, 22), (27, 20), (18, 12), (3, 19), (9, 2), (3, 9), (2, 0), (17, 21), (27, 21), (16, 12), (6, 8), (7, 13), (4, 3), (17, 0), (0, 7), (20, 4), (6, 14), (10, 16), (19, 16), (15, 3), (22, 27), (15, 2), (23, 20), (11, 22), (20, 6), (2, 17), (9, 19), (6, 5), (16, 10), (26, 22), (20, 20), (22, 3), (21, 26), (10, 27), (24, 0), (24, 5), (22, 5), (20, 13), (5, 5), (13, 21), (17, 3), (19, 0), (3, 8), (7, 5), (2, 9), (11, 7), (10, 19), (27, 19), (20, 9), (3, 16), (5, 21), (2, 18), (19, 4), (25, 17), (9, 0), (23, 18), (1, 20), (2, 14), (24, 7), (0, 14), (25, 9), (2, 13), (23, 7), (22, 10), (4, 10), (8, 7), (12, 11), (25, 14), (18, 0), (17, 18), (13, 8), (11, 17), (24, 14), (27, 7), (25, 4), (10, 15), (15, 14), (10, 3), (7, 26), (5, 4), (12, 13), (27, 10), (25, 25), (27, 0), (3, 10), (17, 4), (15, 12), (12, 17), (11, 8), (13, 3), (16, 2), (15, 27), (4, 14), (16, 0), (15, 1), (25, 21), (7, 15), (26, 18), (17, 11), (3, 22), (16, 13), (14, 20), (9, 4), (10, 7), (6, 16), (19, 6), (11, 26), (25, 8), (14, 14), (20, 22), (8, 1), (6, 11), (14, 17), (4, 11), (8, 23), (18, 2), (5, 7), (17, 7), (26, 3), (7, 18), (11, 5), (25, 10), (4, 5), (18, 21), (8, 11), (12, 12), (9, 10), (23, 8), (26, 25), (25, 1), (1, 2), (18, 16), (6, 22), (16, 8), (25, 16), (10, 22), (11, 27), (0, 13), (12, 2), (3, 18), (10, 4), (19, 21), (6, 13), (17, 25), (13, 1), (12, 3), (3, 26), (12, 14), (0, 8), (16, 7), (8, 19), (25, 5), (24, 1), (22, 11), (13, 27), (26, 27), (14, 16), (8, 24), (23, 16), (24, 10), (8, 18), (8, 14), (11, 9), (17, 22), (5, 6), (8, 3), (19, 20), (4, 12), (4, 25), (22, 15), (26, 2), (25, 23), (4, 17), (12, 7), (7, 14), (3, 15), (11, 13), (24, 9), (26, 21), (23, 11), (7, 24), (26, 1), (5, 0), (16, 19), (23, 10), (19, 1), (13, 5), (26, 7), (20, 24), (17, 13), (10, 18), (14, 18), (24, 3), (27, 8), (26, 24), (3, 23), (11, 3), (14, 25), (21, 4), (21, 15), (19, 17), (13, 12), (20, 3), (24, 16), (3, 11), (3, 5), (3, 25), (5, 1), (13, 24), (16, 17), (2, 27), (6, 24), (7, 21), (19, 13), (0, 23), (4, 20), (18, 11), (12, 5), (15, 4), (7, 11)?

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[User]
In a 27x24 grid, how many different paths are there from the bottom left (0, 0) to the top right (26, 23), if you can only move right or up at each step, subject to the constraint that you cannot move through the following cells: (3, 3), (18, 0), (24, 14), (6, 19), (16, 4), (20, 21), (7, 1), (12, 19), (21, 13), (4, 6), (18, 20), (13, 22), (2, 2), (13, 3), (18, 17), (25, 15), (24, 19), (8, 22), (1, 17), (2, 10), (9, 15), (21, 5), (5, 7), (14, 10), (4, 21), (11, 10), (3, 19), (22, 16), (24, 3), (23, 2), (8, 7), (15, 0), (0, 5), (13, 5), (11, 11), (26, 3), (1, 18), (12, 15), (25, 11), (16, 3), (23, 14), (17, 6), (19, 3), (5, 19), (9, 9), (24, 21), (6, 10), (2, 15), (11, 17), (12, 9), (12, 8), (7, 11), (19, 6), (25, 10), (25, 3), (21, 0), (1, 4), (5, 15), (23, 23), (1, 9), (3, 21), (5, 11), (7, 21), (4, 7), (6, 16), (26, 9), (1, 14), (20, 2), (26, 20), (3, 20), (1, 13), (3, 9), (25, 0), (14, 5), (16, 15), (17, 16), (19, 21), (5, 20), (22, 8), (8, 12), (24, 13), (6, 15), (26, 11), (26, 5), (10, 17), (16, 9), (22, 4), (5, 2), (9, 17), (11, 6), (10, 16), (26, 7), (4, 23), (13, 16), (0, 14), (11, 19), (11, 20), (10, 18), (13, 17), (9, 23), (23, 11), (2, 22), (24, 7), (13, 20), (8, 15), (6, 6), (22, 20), (16, 19), (16, 10), (9, 22), (13, 8), (3, 8), (19, 8), (19, 22), (18, 4), (24, 23), (6, 13), (25, 6), (10, 8), (23, 12), (26, 1), (2, 19), (16, 8), (14, 9), (4, 1), (26, 12), (16, 22), (25, 18), (16, 12), (19, 14), (9, 8), (8, 3), (7, 6), (9, 11), (26, 0), (0, 12), (10, 11), (4, 12), (19, 5), (12, 4), (10, 2), (14, 1), (21, 23), (22, 13), (9, 21), (10, 20), (6, 7), (22, 9), (21, 2), (19, 23), (20, 1), (13, 12), (23, 3), (24, 6), (4, 16), (20, 14), (25, 8), (3, 18), (5, 1), (17, 21), (13, 4), (19, 0), (21, 16), (17, 17), (5, 6), (19, 7), (17, 3), (21, 9), (15, 6), (19, 1), (1, 11), (17, 12), (5, 3), (5, 13), (6, 3), (7, 7), (13, 0), (16, 23), (19, 17), (4, 13), (15, 11)?

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[User]
In a 23x21 grid, how many different paths are there from the bottom left (0, 0) to the top right (22, 20), if you can only move right or up at each step, subject to the constraint that you cannot move through the following cells: (22, 13), (12, 10), (13, 5), (12, 15), (18, 6), (14, 13), (21, 1), (3, 6), (5, 10), (21, 12), (12, 20), (20, 0), (2, 3), (6, 18), (11, 1), (9, 15), (14, 12), (5, 0), (18, 20), (9, 12), (6, 5), (17, 5), (17, 3), (1, 10), (18, 11), (8, 3), (18, 3), (16, 14), (11, 9), (13, 3), (10, 8), (7, 12), (20, 13), (11, 5), (12, 18), (15, 18), (21, 15), (19, 6), (12, 9), (12, 8), (6, 19), (3, 1), (13, 11), (14, 8), (7, 4), (19, 11), (6, 3), (8, 14), (0, 13), (2, 19), (5, 2), (20, 10), (11, 13), (20, 20), (18, 4), (1, 19), (6, 16), (6, 20), (5, 5), (20, 1), (12, 3), (1, 11), (7, 7), (5, 12), (3, 14), (19, 3), (4, 5), (22, 8), (13, 0), (5, 20), (3, 3), (2, 15), (13, 17), (17, 19), (19, 10), (20, 12), (10, 18), (3, 12), (14, 20), (19, 15), (12, 6), (19, 13), (2, 2), (5, 7), (0, 4), (11, 8), (4, 14), (4, 19), (22, 14), (15, 7), (14, 14), (3, 0), (4, 4), (11, 12), (18, 18), (6, 12), (2, 10), (6, 13), (3, 4), (10, 2), (16, 9), (5, 18), (7, 8), (1, 2), (0, 6), (6, 11), (6, 8), (4, 20), (10, 10), (14, 2), (9, 9), (20, 5), (3, 20), (3, 17), (10, 0), (10, 7), (4, 3), (16, 19), (5, 9)?

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[User]
In a 25x28 grid, how many different paths are there from the bottom left (0, 0) to the top right (24, 27), if you can only move right or up at each step, subject to the constraint that you cannot move through the following cells: (1, 3), (2, 23), (0, 22), (20, 26), (11, 12), (11, 10), (14, 14), (3, 19), (16, 7), (8, 0), (20, 1), (4, 25), (17, 10), (0, 20), (7, 23), (8, 16), (22, 25), (15, 8), (7, 1), (19, 14), (14, 25), (24, 5), (9, 16), (23, 16), (21, 4), (1, 26), (14, 26), (6, 2), (20, 4), (16, 20), (5, 3), (0, 7), (10, 15), (22, 14), (1, 19), (18, 17), (24, 0), (5, 8), (3, 10), (14, 13), (4, 0), (4, 18), (3, 7), (8, 3), (12, 21), (11, 0), (2, 13), (1, 17), (14, 11), (19, 25), (24, 1), (23, 7), (0, 23), (12, 18), (9, 3), (11, 19), (11, 7), (11, 27), (12, 14), (3, 27), (9, 12), (4, 14), (18, 14), (7, 17), (3, 2), (2, 20), (7, 26), (15, 15), (0, 13), (13, 1), (3, 23), (1, 10), (22, 7), (6, 27), (11, 3), (17, 11), (12, 23), (1, 16), (24, 22), (23, 21), (14, 17), (19, 22), (21, 14), (17, 7), (12, 20), (24, 18), (7, 22), (18, 20), (18, 3), (22, 11), (7, 8), (17, 12), (2, 7), (15, 23), (22, 21), (0, 4), (11, 22), (10, 13), (20, 20), (22, 6), (13, 11), (16, 8), (11, 15), (1, 21), (2, 10), (1, 15), (20, 7), (14, 27), (21, 12), (2, 18), (15, 11), (24, 3), (0, 17), (7, 20), (6, 24), (5, 9), (13, 7), (19, 26), (24, 17), (14, 8), (17, 17), (5, 11), (11, 26), (19, 17), (20, 6), (17, 19), (0, 19), (6, 19), (24, 9), (10, 7), (6, 13), (10, 23), (4, 26), (20, 14), (8, 24), (10, 17), (23, 0), (19, 4), (8, 25), (8, 10), (21, 22), (21, 1), (15, 16), (7, 24), (16, 3), (11, 8), (4, 3), (0, 3), (0, 21), (18, 12), (19, 12), (6, 15), (13, 14), (4, 19), (23, 20), (11, 24), (13, 22), (16, 9), (21, 19), (24, 2), (23, 6), (4, 24), (10, 16), (10, 6), (18, 0), (15, 18), (23, 17), (20, 11), (20, 13), (8, 9), (18, 16), (13, 18), (5, 15), (2, 24), (10, 12), (10, 11), (16, 5), (24, 10), (22, 13), (15, 17), (16, 23), (9, 2), (22, 1), (0, 8), (4, 10), (5, 26), (20, 10), (21, 18), (0, 26), (4, 9), (8, 22), (17, 4), (6, 3), (13, 26), (13, 21), (8, 17), (12, 12), (16, 0), (19, 18)?

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[User]
In a 28x23 grid, how many different paths are there from the bottom left (0, 0) to the top right (27, 22), if you can only move right or up at each step, subject to the constraint that you cannot move through the following cells: (12, 3), (13, 22), (0, 2), (10, 11), (26, 1), (17, 8), (23, 16), (26, 11), (27, 12), (3, 22), (12, 13), (5, 17), (9, 22), (6, 19), (5, 7), (23, 9), (5, 16), (13, 17), (3, 7), (14, 17), (11, 15), (18, 7), (1, 8), (22, 1), (1, 12), (27, 18), (16, 22), (24, 18), (5, 5), (2, 21), (18, 17), (0, 7), (23, 13), (3, 19), (4, 14), (15, 17), (9, 21), (10, 3), (23, 19), (5, 12), (18, 3), (17, 2), (17, 18), (13, 11), (14, 3), (1, 6), (20, 19), (20, 20), (27, 16), (11, 1), (21, 4), (8, 19), (12, 12), (5, 18), (0, 3), (15, 5), (25, 8), (10, 6), (14, 0), (24, 8), (27, 2), (22, 11), (0, 19), (24, 7), (26, 6), (21, 18), (14, 22), (4, 22), (25, 12), (18, 15), (0, 14), (3, 15), (10, 2), (0, 17), (18, 2), (0, 20), (20, 11), (16, 4), (2, 12), (25, 19), (17, 15), (26, 10), (8, 13), (4, 18), (8, 20), (20, 12), (2, 17), (21, 17), (11, 11), (16, 16), (22, 13), (1, 1), (13, 6), (16, 19), (6, 13), (4, 1), (8, 22), (12, 18), (3, 17), (3, 21), (13, 5), (10, 10), (24, 1), (18, 21), (8, 4), (25, 10), (17, 10), (17, 13), (12, 17), (25, 3), (5, 21), (18, 5), (14, 19), (9, 15), (22, 16), (24, 0), (15, 11), (17, 17), (26, 19), (23, 0), (6, 22), (23, 12), (27, 20), (9, 6), (21, 19), (16, 1), (18, 1), (14, 16), (23, 14), (13, 19), (23, 2), (20, 15), (26, 22), (7, 18), (2, 9), (7, 1), (1, 20), (11, 10), (6, 0), (17, 12), (21, 1), (15, 6), (23, 17), (14, 9), (9, 17)?

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[User]
In a 20x21 grid, how many different paths are there from the bottom left (0, 0) to the top right (19, 20), if you can only move right or up at each step, subject to the constraint that you cannot move through the following cells: (9, 19), (18, 14), (5, 5), (12, 0), (8, 18), (7, 13), (10, 15), (8, 4), (11, 4), (12, 15), (17, 13), (7, 18), (9, 2), (6, 17), (5, 9), (14, 11), (16, 7), (3, 20), (9, 6), (14, 3), (13, 20), (3, 16), (1, 9), (8, 20), (6, 5), (19, 8), (2, 16), (13, 10), (10, 20), (2, 1), (14, 6), (9, 14), (9, 3), (4, 9), (5, 16), (6, 2), (3, 9), (10, 11), (10, 18), (13, 18), (11, 11), (7, 11), (0, 8), (12, 17), (18, 10), (3, 19), (11, 5), (0, 13), (18, 18), (17, 6), (9, 13), (17, 12), (13, 7), (10, 3), (9, 0), (5, 10), (3, 5), (6, 6), (16, 2), (8, 17), (1, 18), (4, 14), (0, 16), (9, 20), (2, 19), (13, 3), (8, 15), (0, 19), (6, 8), (7, 7), (4, 1), (8, 10), (18, 11), (5, 14), (9, 11), (2, 0), (16, 0), (19, 9), (14, 5), (12, 2), (9, 10), (6, 10), (6, 13), (0, 11), (2, 14), (11, 19), (1, 8), (17, 0), (15, 5), (9, 8), (0, 2), (19, 2), (19, 18), (3, 18), (13, 13), (18, 3), (3, 17), (12, 1), (6, 19), (6, 7), (5, 19), (11, 8), (18, 8), (15, 4), (12, 4), (14, 19), (1, 20), (4, 2), (17, 2), (13, 14)?

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[User]
In a 20x22 grid, how many different paths are there from the bottom left (0, 0) to the top right (19, 21), if you can only move right or up at each step, subject to the constraint that you cannot move through the following cells: (0, 5), (8, 15), (18, 6), (2, 5), (3, 4), (7, 15), (9, 20), (5, 14), (8, 3), (14, 8), (3, 1), (7, 8), (5, 7), (3, 16), (11, 5), (17, 15), (10, 12), (12, 20), (13, 20), (3, 12), (14, 16), (2, 8), (10, 21), (11, 7), (17, 5), (14, 21), (15, 10), (5, 5), (2, 0), (14, 20), (10, 1), (7, 9), (6, 19), (1, 14), (1, 0), (4, 19), (7, 10), (16, 17), (7, 4), (9, 8), (3, 21), (6, 6), (6, 18), (7, 12), (13, 7), (7, 3), (15, 15), (11, 4), (1, 11), (15, 1), (10, 19), (8, 10), (16, 19), (11, 15), (18, 3), (0, 2), (3, 3), (10, 14), (11, 21), (12, 9), (13, 3), (8, 5), (10, 4), (9, 13), (3, 2), (3, 11), (4, 10)?

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[User]
In a 23x24 grid, how many different paths are there from the bottom left (0, 0) to the top right (22, 23), if you can only move right or up at each step, subject to the constraint that you cannot move through the following cells: (20, 4), (13, 12), (13, 3), (11, 18), (14, 17), (16, 5), (15, 8), (18, 23), (8, 9), (2, 5), (14, 2), (4, 18), (16, 8), (21, 8), (14, 20), (15, 19), (8, 4), (13, 1), (7, 20), (19, 3), (6, 15), (1, 18), (18, 19), (18, 11), (12, 0), (9, 12), (7, 4), (1, 11), (7, 17), (20, 23), (1, 21), (10, 5), (2, 9), (19, 13), (7, 22), (4, 0), (2, 10), (9, 22), (19, 2), (4, 10), (9, 1), (8, 19), (10, 23), (21, 12), (2, 13), (13, 22), (3, 1), (16, 15), (14, 14), (6, 7), (5, 1), (12, 7), (10, 3), (22, 7), (7, 19), (9, 2), (22, 9), (12, 13), (14, 21), (19, 18), (2, 11), (5, 6), (16, 10), (0, 20), (3, 5), (3, 4), (22, 18), (20, 19), (18, 15), (15, 16), (14, 5), (12, 20), (20, 15), (1, 15), (3, 16), (6, 18), (4, 13), (21, 7), (22, 13), (17, 15), (22, 15), (20, 2), (10, 6), (5, 2), (16, 6), (2, 18), (17, 10), (6, 10), (10, 19), (15, 14), (0, 17), (8, 12), (14, 11), (13, 21), (13, 20), (1, 5), (11, 9), (14, 10), (19, 14), (12, 17), (0, 19), (11, 1), (21, 3), (20, 20), (13, 19), (21, 15), (7, 6), (12, 2), (10, 1), (14, 1), (13, 14), (5, 20), (9, 13), (20, 12), (17, 8), (18, 8), (11, 10), (8, 0), (7, 23), (10, 2), (21, 5), (12, 5), (6, 8), (1, 2), (3, 17), (12, 4), (5, 12), (4, 20), (7, 15), (22, 20), (16, 12), (0, 23), (22, 2), (11, 4), (13, 15), (1, 8), (10, 8), (17, 4), (6, 11), (8, 3), (14, 8), (18, 2), (17, 7), (17, 3), (16, 1), (11, 16)?

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[User]
In a 26x21 grid, how many different paths are there from the bottom left (0, 0) to the top right (25, 20), if you can only move right or up at each step, subject to the constraint that you cannot move through the following cells: (1, 7), (10, 12), (23, 19), (3, 4), (25, 3), (12, 17), (8, 9), (7, 18), (2, 5), (23, 5), (11, 19), (14, 20), (0, 10), (3, 17), (24, 16), (16, 2), (3, 20), (9, 7), (17, 1), (18, 19), (14, 10), (21, 18), (14, 19), (16, 4), (6, 12), (18, 16), (21, 10), (9, 2), (16, 6), (4, 12), (19, 18), (7, 19), (20, 0), (2, 19), (5, 14), (16, 5), (1, 20), (13, 1), (22, 3), (22, 4), (11, 3), (17, 9), (12, 2), (11, 11), (12, 4), (12, 10), (2, 3), (15, 14), (5, 11), (10, 6), (18, 1), (6, 4), (19, 20), (0, 16), (18, 2), (3, 10), (8, 10), (13, 19), (3, 15), (2, 11), (15, 6), (0, 17), (19, 14), (11, 6), (0, 19), (10, 20), (2, 13), (24, 6), (21, 1), (4, 19), (2, 17), (14, 18), (15, 16), (21, 15), (24, 2), (1, 11), (20, 1), (6, 1), (9, 20), (17, 2), (24, 5), (2, 8), (20, 2), (22, 13), (17, 20), (9, 10), (12, 6), (14, 1), (0, 14), (18, 5), (9, 0), (25, 18), (2, 18), (4, 17), (24, 4), (25, 14), (0, 13), (20, 18), (17, 4), (4, 13), (21, 19), (21, 13), (0, 12), (13, 4), (13, 20), (10, 9), (22, 12), (22, 2), (3, 16), (13, 5), (14, 2), (4, 18), (15, 12), (21, 12), (21, 4), (24, 13), (14, 0), (0, 20), (7, 9), (1, 17), (19, 0), (23, 1), (6, 3), (5, 9), (12, 15), (19, 4), (16, 18), (25, 11), (6, 14), (10, 14), (0, 9), (23, 3), (7, 16), (0, 4), (10, 3), (5, 17), (4, 20), (18, 7), (21, 16), (7, 15), (11, 12), (2, 4), (19, 2), (21, 0), (13, 0), (19, 5), (6, 10), (12, 14), (6, 13), (22, 7), (19, 19), (18, 11), (23, 8), (21, 8), (12, 19), (11, 10), (12, 9), (21, 2), (9, 17), (11, 4), (16, 15), (21, 14), (5, 19), (1, 10), (12, 20), (13, 10), (5, 16), (24, 19), (9, 18), (11, 15), (17, 13)?

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[User]
In a 28x26 grid, how many different paths are there from the bottom left (0, 0) to the top right (27, 25), if you can only move right or up at each step, subject to the constraint that you cannot move through the following cells: (23, 12), (18, 20), (14, 14), (7, 24), (6, 25), (2, 13), (5, 15), (15, 15), (24, 19), (27, 21), (19, 16), (27, 8), (8, 10), (14, 3), (1, 22), (12, 2), (10, 10), (20, 16), (7, 15), (5, 23), (14, 8), (14, 10), (23, 14), (12, 20), (14, 12), (24, 17), (1, 4), (22, 7), (0, 25), (26, 16), (14, 5), (5, 13), (11, 2), (24, 0), (18, 16), (9, 0), (8, 7), (24, 18), (11, 20), (8, 22), (0, 18), (17, 4), (24, 7), (12, 1), (25, 14), (12, 11), (18, 25), (17, 21), (7, 8), (23, 10), (26, 25), (0, 10), (26, 24), (22, 13), (17, 12), (25, 17), (13, 15), (26, 15), (24, 5), (24, 11), (3, 17), (10, 12), (0, 14), (17, 23), (0, 17), (5, 25), (13, 6), (21, 0), (25, 19), (13, 2), (2, 10), (25, 8), (4, 16), (22, 11), (8, 20), (8, 5), (15, 13), (27, 9), (13, 16), (13, 19), (6, 24), (20, 18), (27, 1), (1, 7), (22, 9), (13, 10), (5, 14), (13, 4), (17, 2), (14, 0), (18, 6), (17, 5), (21, 10), (7, 14), (4, 20), (14, 20), (22, 20), (13, 24), (1, 6), (5, 3), (27, 4), (5, 10), (11, 10), (0, 21), (0, 5), (11, 3), (1, 12), (22, 23), (22, 5), (12, 21), (5, 5), (17, 10), (11, 6), (26, 13), (27, 22), (2, 1), (21, 23), (24, 3), (22, 4), (16, 16), (10, 14), (26, 12), (15, 20), (19, 18), (15, 3), (8, 23), (24, 10), (9, 10), (8, 12), (2, 19), (14, 23), (10, 21), (23, 3), (9, 15), (26, 18), (9, 9), (20, 14), (3, 20), (27, 20), (5, 19), (3, 0), (16, 0), (23, 17), (19, 8), (5, 1), (15, 12), (18, 5), (10, 1), (4, 19), (23, 9), (10, 9), (26, 17), (18, 7), (9, 8), (17, 9), (19, 14), (13, 25), (10, 24), (27, 0), (20, 2), (0, 8), (4, 18), (16, 23), (2, 25), (21, 16), (7, 3), (9, 6), (9, 19), (1, 14), (24, 16), (11, 24), (9, 13), (25, 18), (20, 19), (19, 25), (5, 24), (19, 15), (17, 0), (11, 19), (15, 5), (13, 23), (16, 17), (6, 4), (19, 20), (5, 22), (19, 2), (27, 15), (13, 5), (21, 4), (7, 23), (0, 7), (8, 11), (11, 18), (17, 8), (1, 3), (3, 18), (0, 23), (3, 13), (25, 16), (4, 0), (0, 16), (18, 11), (22, 19), (12, 6), (11, 12), (18, 8), (16, 7), (3, 22), (26, 6), (11, 1), (6, 12)?

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[User]
In a 22x21 grid, how many different paths are there from the bottom left (0, 0) to the top right (21, 20), if you can only move right or up at each step, subject to the constraint that you cannot move through the following cells: (21, 19), (2, 9), (0, 5), (2, 18), (14, 12), (5, 15), (17, 9), (13, 16), (20, 10), (14, 18), (15, 12), (8, 10), (3, 1), (9, 7), (9, 8), (21, 0), (5, 13), (17, 0), (16, 13), (11, 14), (7, 1), (3, 20), (7, 19), (6, 2), (6, 3), (1, 4), (20, 7), (7, 16), (13, 6), (7, 11), (12, 1), (2, 3), (3, 13), (12, 16), (4, 19), (7, 14), (19, 14), (3, 15), (18, 11), (5, 11), (8, 5), (6, 13), (15, 9), (1, 13), (0, 8), (16, 10), (21, 13), (10, 0), (7, 8), (12, 14), (2, 10), (1, 11), (13, 11), (15, 6), (17, 5), (6, 10), (13, 10), (5, 16), (15, 5), (6, 14), (17, 15), (10, 6), (11, 19), (17, 14), (19, 12), (10, 3), (10, 2), (20, 4), (15, 3), (5, 18), (5, 20), (18, 1), (8, 16), (4, 11), (6, 20), (21, 6), (10, 9), (10, 10), (5, 8), (7, 5), (11, 17), (0, 7), (10, 4), (18, 17), (11, 13), (13, 14), (20, 16), (12, 5), (11, 2), (1, 10), (10, 14), (13, 9), (8, 12), (8, 0), (16, 11), (13, 13)?

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[User]
In a 27x29 grid, how many different paths are there from the bottom left (0, 0) to the top right (26, 28), if you can only move right or up at each step, subject to the constraint that you cannot move through the following cells: (3, 3), (13, 16), (25, 26), (2, 25), (24, 9), (0, 14), (13, 24), (6, 18), (4, 0), (21, 10), (14, 22), (12, 21), (15, 12), (17, 3), (19, 8), (5, 17), (11, 5), (14, 23), (19, 15), (18, 17), (15, 26), (12, 6), (21, 18), (17, 2), (18, 28), (19, 27), (23, 1), (8, 15), (10, 13), (13, 8), (4, 24), (15, 13), (26, 14), (19, 7), (0, 8), (15, 22), (3, 8), (3, 7), (20, 11), (24, 19), (13, 15), (12, 15), (8, 3), (24, 8), (5, 4), (7, 10), (7, 4), (10, 17), (26, 13), (25, 23), (22, 12), (7, 20), (1, 5), (0, 2), (8, 17), (12, 20), (4, 25), (11, 16), (3, 11), (17, 8), (25, 24), (9, 23), (6, 14), (10, 4), (10, 27), (20, 2), (24, 26), (6, 24), (26, 23), (0, 21), (5, 15), (14, 27), (19, 5), (4, 12), (8, 9), (26, 8), (10, 23), (4, 26), (9, 13), (13, 28), (21, 12), (10, 25), (2, 13), (18, 7), (17, 7), (18, 21), (21, 21), (22, 16), (9, 6), (23, 11), (21, 17), (6, 16), (0, 13), (10, 7), (9, 1), (4, 14), (8, 28), (20, 6), (7, 18), (20, 12), (15, 15), (7, 17), (12, 10), (7, 22), (16, 11), (4, 16), (10, 6), (16, 23), (23, 23), (2, 9), (18, 1), (17, 9), (3, 20), (19, 2), (22, 4), (18, 26), (7, 5), (7, 7), (8, 21), (16, 17), (22, 1), (17, 11), (3, 26), (0, 1), (5, 10), (17, 14), (20, 1), (8, 12), (23, 24), (9, 7), (12, 16), (9, 12), (15, 16), (25, 14), (26, 9), (20, 26), (8, 2), (4, 6), (19, 13), (24, 11), (21, 9), (9, 26), (8, 10), (4, 20), (1, 23), (25, 7), (22, 9), (18, 5), (19, 9), (1, 24), (20, 13), (1, 7), (4, 19), (2, 4), (18, 23), (16, 7), (25, 28), (24, 27), (24, 20), (8, 25), (23, 25), (7, 15), (26, 10), (8, 4), (17, 18), (1, 14), (8, 8), (1, 10), (16, 25), (23, 18), (5, 18), (22, 20)?

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[User]
In a 24x21 grid, how many different paths are there from the bottom left (0, 0) to the top right (23, 20), if you can only move right or up at each step, subject to the constraint that you cannot move through the following cells: (17, 18), (6, 16), (4, 1), (22, 7), (6, 17), (15, 19), (20, 10), (1, 16), (23, 12), (0, 8), (10, 0), (1, 10), (16, 2), (18, 0), (15, 18), (17, 12), (20, 3), (20, 5), (12, 3), (8, 12), (11, 10), (9, 14), (0, 13), (21, 15), (17, 2), (5, 13), (16, 12), (14, 4), (20, 11), (12, 9), (6, 20), (13, 8), (12, 0), (0, 16), (22, 19), (11, 15), (0, 20), (17, 0), (3, 7), (11, 20), (6, 2), (16, 19), (19, 19), (11, 0), (23, 19), (3, 12), (0, 14), (7, 0), (2, 18), (14, 14), (12, 12), (7, 7), (16, 4), (13, 15), (1, 19), (7, 8), (4, 20), (2, 19), (2, 1), (18, 20), (15, 14), (22, 10), (17, 7), (14, 16), (12, 6), (14, 6), (12, 19), (16, 1), (21, 11), (18, 12), (13, 13), (4, 16), (1, 18), (7, 9), (15, 13), (22, 1), (3, 13), (13, 20), (16, 17), (15, 5), (21, 18), (7, 14), (19, 13), (2, 6), (3, 10), (14, 19), (9, 7), (2, 5), (5, 12), (7, 4), (5, 3)?

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[User]
In a 20x25 grid, how many different paths are there from the bottom left (0, 0) to the top right (19, 24), if you can only move right or up at each step, subject to the constraint that you cannot move through the following cells: (3, 11), (17, 9), (15, 17), (9, 23), (2, 16), (15, 18), (12, 21), (5, 7), (9, 22), (14, 20), (17, 8), (14, 5), (12, 16), (5, 4), (12, 1), (17, 10), (2, 19), (11, 14), (11, 2), (12, 13), (19, 19), (3, 24), (1, 18), (1, 24), (18, 15), (7, 14), (18, 0), (10, 14), (6, 2), (14, 8), (4, 18), (3, 1), (10, 23), (15, 6), (16, 15), (1, 16), (0, 18), (0, 10), (1, 8), (17, 17), (13, 14), (0, 20), (17, 16), (5, 13), (12, 18), (19, 3), (4, 22), (10, 11), (6, 13), (12, 24), (3, 23), (17, 18), (13, 17), (6, 10), (19, 21), (17, 5), (1, 0), (3, 22), (10, 12), (8, 4), (1, 21), (11, 20), (0, 2), (18, 6), (3, 4), (0, 14), (11, 4), (13, 10), (6, 1), (2, 1), (8, 13), (19, 17), (2, 24), (3, 18), (14, 23), (16, 24), (0, 8), (16, 19), (10, 18), (8, 3), (9, 1), (16, 20), (3, 2), (10, 9), (18, 4), (8, 15), (15, 12), (12, 7), (11, 13), (17, 21), (10, 2), (13, 23), (15, 14), (4, 20), (13, 16), (1, 7), (18, 14), (6, 3), (13, 21), (16, 8), (17, 22), (5, 9), (5, 18), (8, 14), (4, 23), (17, 13), (11, 17), (15, 23), (10, 3), (18, 7), (14, 4), (8, 21), (4, 1), (7, 24), (15, 1), (7, 20), (11, 5), (18, 9), (19, 20), (16, 7), (10, 1), (18, 1), (4, 9)?

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[User]
In a 26x23 grid, how many different paths are there from the bottom left (0, 0) to the top right (25, 22), if you can only move right or up at each step, subject to the constraint that you cannot move through the following cells: (7, 6), (21, 17), (3, 18), (18, 0), (21, 6), (24, 12), (4, 21), (25, 11), (6, 19), (7, 0), (3, 17), (18, 7), (14, 18), (7, 5), (21, 0), (16, 17), (13, 22), (14, 2), (22, 2), (16, 13), (1, 0), (21, 2), (0, 14), (15, 11), (17, 7), (12, 22), (21, 22), (16, 7), (24, 3), (25, 18), (22, 17), (23, 15), (21, 8), (20, 10), (4, 5), (12, 8), (20, 21), (12, 4), (17, 1), (22, 9), (19, 8), (12, 15), (7, 7), (23, 14), (17, 12), (11, 20), (12, 19), (24, 7), (15, 2), (18, 16), (22, 1), (8, 12), (4, 8), (21, 13), (17, 8), (4, 3), (3, 12), (25, 15), (22, 12), (9, 20), (10, 9), (15, 22), (21, 19), (18, 15), (25, 10), (6, 21), (10, 15), (5, 10), (19, 21), (18, 1), (21, 1), (23, 2), (23, 11), (11, 12), (0, 17), (10, 10), (23, 10), (19, 20), (6, 15), (1, 19), (16, 21), (6, 11), (17, 13), (12, 18), (2, 21), (22, 3), (4, 10), (25, 9), (6, 0), (0, 11), (12, 10), (6, 4), (15, 1), (11, 9), (4, 2), (16, 19), (5, 12), (5, 0), (17, 19), (15, 10), (20, 2), (23, 17), (10, 6), (18, 5), (23, 19), (9, 5), (6, 6), (20, 17), (3, 1), (14, 20), (24, 9), (5, 5), (8, 22), (8, 6), (23, 0), (1, 8), (9, 14), (4, 18), (23, 6), (16, 10), (1, 9), (8, 1), (2, 7), (4, 16), (4, 22), (25, 13), (9, 0), (8, 15), (13, 19), (3, 16), (8, 3), (24, 18), (19, 4), (8, 14), (13, 0), (2, 12), (5, 2), (4, 1), (6, 17), (20, 1), (17, 3), (10, 14), (6, 13), (1, 15), (24, 10), (3, 22), (8, 5), (18, 10), (16, 5), (23, 9), (25, 6), (15, 17), (15, 13), (4, 9), (4, 11), (22, 16), (2, 0), (10, 12), (2, 22), (10, 8), (6, 12), (9, 10), (18, 17), (19, 2), (15, 3), (24, 16), (13, 8), (23, 4), (10, 7), (22, 20), (9, 1), (5, 14), (10, 18), (3, 3), (11, 22), (22, 4), (16, 1), (21, 9), (14, 9), (1, 17), (16, 18), (17, 9), (2, 8), (19, 5), (21, 5), (19, 14), (16, 14), (0, 21), (0, 15), (20, 22), (8, 19), (12, 12), (14, 21), (12, 1), (23, 20), (6, 7), (14, 22), (2, 10), (4, 7)?

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[User]
In a 28x20 grid, how many different paths are there from the bottom left (0, 0) to the top right (27, 19), if you can only move right or up at each step, subject to the constraint that you cannot move through the following cells: (4, 10), (17, 7), (16, 1), (18, 12), (17, 14), (22, 12), (26, 12), (20, 1), (13, 14), (7, 18), (8, 17), (15, 15), (8, 15), (20, 5), (23, 15), (12, 1), (1, 11), (21, 9), (1, 9), (12, 4), (6, 5), (19, 7), (4, 14), (15, 19), (24, 6), (0, 14), (19, 4), (7, 5), (22, 14), (26, 3), (23, 1), (24, 10), (25, 3), (6, 10), (25, 8), (14, 0), (26, 9), (26, 4), (20, 12), (15, 18), (21, 1), (24, 15), (10, 8), (20, 6), (1, 4), (7, 9), (24, 5), (7, 16), (2, 2), (10, 3), (27, 11), (21, 7), (8, 12), (0, 7), (9, 7), (21, 11), (19, 8), (21, 4), (16, 2), (10, 12), (1, 19), (9, 14), (20, 14), (26, 5), (27, 2), (14, 14), (3, 14), (0, 12), (22, 13), (6, 16), (9, 11), (9, 12), (20, 9), (12, 17), (19, 5), (24, 8), (9, 0), (20, 4), (7, 12), (18, 13), (17, 18), (7, 11), (23, 5), (20, 10), (13, 1), (13, 7), (16, 15), (22, 18), (16, 10), (14, 10), (0, 3), (18, 19), (0, 15), (1, 10), (1, 14), (10, 16), (12, 8), (18, 8), (27, 5), (14, 2), (12, 19), (8, 19), (8, 8), (4, 15), (3, 12), (18, 15), (23, 19), (20, 8), (18, 1), (26, 13), (16, 19), (16, 13), (23, 18), (17, 12), (16, 16), (9, 15), (15, 2), (19, 2), (12, 5), (23, 10), (27, 15), (24, 2), (6, 11), (26, 8), (11, 2), (16, 0), (17, 5), (22, 4), (26, 1), (17, 15), (24, 13), (11, 3), (19, 10), (8, 2), (23, 7), (14, 16), (6, 18), (25, 12), (2, 18), (22, 3), (11, 12), (6, 12), (10, 11), (6, 13), (20, 11), (14, 9), (8, 16), (14, 7), (3, 17), (19, 12)?

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[User]
In a 21x25 grid, how many different paths are there from the bottom left (0, 0) to the top right (20, 24), if you can only move right or up at each step, subject to the constraint that you cannot move through the following cells: (10, 24), (3, 9), (5, 7), (3, 15), (17, 8), (14, 1), (9, 6), (15, 13), (13, 4), (10, 1), (16, 7), (12, 7), (18, 11), (8, 16), (3, 5), (3, 8), (13, 15), (20, 14), (0, 19), (9, 10), (17, 4), (14, 7), (5, 10), (19, 21), (7, 15), (15, 0), (8, 20), (8, 12), (5, 18), (4, 16), (4, 18), (0, 2), (2, 20), (8, 23), (9, 21), (15, 23), (17, 19), (20, 19), (20, 2), (3, 0), (11, 7), (5, 16), (3, 18), (11, 10), (11, 18), (12, 16), (10, 22), (17, 2), (7, 17), (16, 9), (0, 13), (9, 7), (18, 23), (15, 7), (9, 13), (9, 23), (9, 2), (17, 21), (19, 5), (3, 12), (6, 19), (10, 13), (18, 18), (6, 14), (9, 0), (10, 2), (9, 4), (12, 1), (4, 22), (6, 21), (19, 11), (2, 4), (19, 19), (16, 21), (20, 4), (11, 23), (6, 12), (11, 22), (6, 22), (16, 4), (9, 24), (13, 14), (1, 12), (7, 16), (11, 3), (7, 1), (3, 14), (17, 3), (18, 12), (2, 24), (9, 9), (12, 5), (7, 14), (11, 0), (19, 18), (0, 7), (10, 16), (9, 11), (8, 19), (20, 17), (4, 14), (10, 10), (3, 7), (1, 23), (10, 21), (13, 19), (7, 18), (0, 3), (18, 17), (1, 7), (10, 8), (14, 14), (10, 6), (2, 21), (15, 18), (8, 24), (19, 1), (14, 11), (20, 16), (11, 20), (5, 3), (11, 13), (14, 18), (6, 2), (19, 9), (4, 8), (5, 20), (2, 0), (6, 18), (17, 14), (13, 9), (15, 2), (10, 14), (6, 16), (4, 23), (12, 6), (1, 17), (12, 8), (11, 11), (5, 12), (4, 19), (3, 10), (17, 18), (4, 5)?

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[User]
In a 29x28 grid, how many different paths are there from the bottom left (0, 0) to the top right (28, 27), if you can only move right or up at each step, subject to the constraint that you cannot move through the following cells: (25, 20), (19, 7), (0, 16), (18, 5), (23, 1), (7, 23), (18, 19), (3, 27), (6, 2), (18, 8), (11, 0), (6, 9), (1, 13), (14, 2), (1, 9), (11, 10), (24, 18), (8, 10), (15, 26), (28, 14), (28, 23), (1, 20), (14, 23), (24, 11), (28, 16), (7, 3), (16, 15), (17, 27), (21, 15), (19, 18), (11, 3), (15, 0), (5, 19), (28, 12), (8, 23), (8, 17), (13, 9), (6, 23), (6, 14), (21, 17), (26, 26), (8, 6), (8, 3), (3, 24), (18, 2), (13, 18), (12, 4), (6, 15), (14, 19), (6, 16), (19, 17), (8, 9), (8, 0), (9, 10), (19, 14), (20, 2), (3, 20), (18, 25), (23, 21), (5, 5), (19, 1), (14, 14), (3, 3), (10, 24), (8, 5), (13, 19), (16, 2), (23, 4), (4, 5), (16, 9), (16, 18), (25, 7), (15, 2), (22, 18), (11, 21), (7, 14), (27, 27), (14, 4), (11, 13), (9, 2), (2, 11), (22, 2), (22, 13), (3, 0), (7, 18), (9, 4), (18, 1), (13, 27), (24, 17), (3, 19), (13, 21), (0, 1), (21, 5), (21, 16), (6, 11), (6, 8), (9, 17), (7, 15), (7, 25), (25, 13), (4, 3), (24, 10), (0, 6), (4, 13), (16, 8), (22, 1), (21, 13), (5, 23), (16, 24), (18, 20), (22, 6), (10, 14), (13, 8), (23, 22), (10, 16), (12, 17), (28, 20), (13, 2), (20, 11), (5, 9), (26, 6), (8, 24), (24, 4), (15, 9), (2, 3), (5, 0), (28, 22), (9, 5), (10, 15), (11, 20), (10, 27), (6, 26), (13, 7), (9, 6), (3, 8), (13, 0), (9, 8), (6, 5), (20, 16), (22, 19), (13, 3), (23, 7), (28, 9), (28, 24), (12, 13), (16, 20), (6, 18), (8, 2), (21, 18), (2, 27), (11, 7), (25, 23), (22, 12), (5, 16), (9, 20), (15, 12), (19, 24), (11, 24), (2, 18), (11, 12), (9, 16), (27, 22), (25, 5), (20, 22), (27, 20), (10, 4), (0, 26), (12, 10), (17, 14), (12, 2), (20, 3), (6, 10), (17, 26), (19, 13), (15, 6), (13, 13), (20, 23)?

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[User]
In a 22x20 grid, how many different paths are there from the bottom left (0, 0) to the top right (21, 19), if you can only move right or up at each step, subject to the constraint that you cannot move through the following cells: (19, 4), (15, 7), (19, 16), (10, 3), (14, 7), (7, 17), (11, 15), (10, 6), (20, 4), (2, 5), (19, 18), (2, 18), (12, 4), (10, 5), (14, 18), (11, 6), (21, 9), (2, 8), (8, 0), (19, 10), (17, 9), (9, 0), (5, 14), (17, 5), (4, 2), (0, 3), (4, 11), (17, 18), (3, 17), (10, 11), (15, 17), (17, 19), (13, 8), (21, 6), (7, 14), (1, 9), (16, 13), (0, 16), (13, 14), (6, 13), (6, 6), (8, 12), (13, 10), (4, 6), (13, 16), (19, 15), (17, 0), (16, 15), (6, 1), (3, 5), (4, 0), (16, 19), (15, 9), (17, 7), (14, 2), (7, 19), (20, 5), (0, 1), (6, 9), (9, 4), (9, 7), (18, 14), (15, 18), (0, 6), (4, 10), (4, 13), (15, 10), (6, 12), (6, 0), (6, 18), (11, 1), (10, 17), (3, 6), (15, 16), (10, 16), (16, 3), (3, 4), (16, 16), (15, 12), (15, 19), (5, 4), (14, 10), (9, 9), (15, 14)?

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[User]
In a 28x25 grid, how many different paths are there from the bottom left (0, 0) to the top right (27, 24), if you can only move right or up at each step, subject to the constraint that you cannot move through the following cells: (12, 21), (25, 3), (5, 20), (12, 5), (3, 22), (7, 17), (2, 1), (25, 4), (13, 22), (9, 23), (0, 21), (18, 9), (9, 2), (19, 21), (27, 1), (4, 11), (10, 2), (5, 1), (7, 11), (3, 4), (24, 14), (3, 7), (27, 16), (12, 19), (23, 16), (2, 2), (7, 14), (24, 6), (3, 13), (3, 10), (5, 9), (0, 4), (20, 11), (15, 6), (22, 7), (20, 5), (10, 24), (26, 0), (25, 20), (14, 21), (23, 12), (9, 10), (12, 24), (24, 0), (25, 19), (10, 16), (1, 19), (20, 16), (8, 13), (23, 23), (6, 0), (27, 5), (9, 13), (16, 11), (27, 7), (15, 15), (10, 18), (22, 4), (6, 23), (1, 22), (9, 6), (7, 19), (15, 11), (2, 18), (7, 6), (26, 18), (17, 3), (13, 6), (0, 19), (11, 14), (13, 14), (12, 16), (24, 19), (22, 9), (20, 17), (13, 3), (23, 14), (27, 2), (4, 0), (21, 22), (26, 7), (6, 10), (22, 22), (8, 11), (27, 6), (25, 14), (21, 6), (6, 8), (26, 1), (21, 8), (18, 7), (16, 4), (15, 14), (14, 7), (7, 8), (20, 6), (23, 20), (3, 23), (27, 4), (22, 6), (27, 22), (14, 10), (2, 21), (13, 20), (15, 21), (25, 22), (7, 16), (24, 2), (27, 10), (15, 13), (17, 9), (22, 20), (22, 15), (5, 3), (18, 22), (17, 15), (12, 18), (12, 6), (26, 11), (16, 3), (2, 13), (25, 1), (0, 12), (0, 7), (20, 8), (15, 18), (10, 17), (9, 7), (8, 7), (18, 16), (10, 0), (24, 18), (22, 17), (14, 8), (11, 8), (22, 18), (21, 21), (5, 18), (0, 24), (13, 17), (4, 16), (5, 2), (19, 4), (2, 4), (17, 5), (9, 21), (11, 23), (21, 14), (2, 10), (7, 0), (12, 3), (25, 21), (9, 1), (26, 5), (26, 8), (24, 1), (4, 22), (15, 16), (9, 15), (1, 0), (8, 24), (24, 23), (11, 7), (17, 7), (2, 23), (11, 21), (9, 16), (20, 18), (25, 23), (4, 24), (18, 5), (11, 19), (15, 23), (13, 7), (14, 16)?

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[User]
In a 22x23 grid, how many different paths are there from the bottom left (0, 0) to the top right (21, 22), if you can only move right or up at each step, subject to the constraint that you cannot move through the following cells: (5, 11), (15, 8), (19, 6), (12, 7), (2, 3), (1, 8), (18, 18), (13, 11), (18, 3), (2, 0), (7, 11), (9, 10), (6, 9), (10, 7), (16, 18), (16, 4), (14, 22), (3, 6), (0, 17), (7, 9), (19, 22), (21, 13), (21, 6), (5, 9), (11, 6), (5, 8), (15, 16), (2, 10), (13, 19), (2, 16), (8, 4), (6, 16), (1, 16), (0, 6), (12, 20), (17, 4), (18, 13), (11, 15), (21, 5), (20, 0), (9, 19), (5, 4), (12, 8), (2, 6), (7, 6), (15, 7), (1, 14), (18, 0), (11, 5), (1, 21), (20, 17), (15, 18), (15, 4), (9, 9), (0, 11), (14, 17), (20, 14), (14, 21), (20, 15), (21, 15), (5, 2), (11, 3), (19, 12), (14, 6), (2, 22), (19, 15), (8, 11), (16, 19), (2, 2), (12, 19), (19, 20), (19, 2), (16, 5), (16, 7), (1, 9), (14, 5), (1, 17), (0, 8), (6, 13), (17, 7), (17, 16), (16, 13), (10, 16), (19, 4), (10, 6), (16, 21), (19, 7), (18, 17), (9, 11), (8, 2), (1, 22), (6, 1), (18, 22), (17, 13), (17, 10), (1, 12), (12, 5), (8, 17), (3, 10), (2, 12), (1, 20), (6, 12), (18, 2), (2, 19), (10, 20), (1, 7), (5, 3), (0, 10), (10, 0), (3, 12), (14, 3), (19, 8), (0, 7), (12, 11), (1, 11), (2, 11), (16, 9), (13, 12), (13, 0), (4, 1), (17, 1), (7, 13), (0, 13), (2, 4), (14, 16), (13, 7), (18, 6), (16, 12), (2, 17), (16, 2), (10, 18), (4, 15), (15, 0), (20, 9), (1, 0), (6, 17), (4, 18), (21, 16), (10, 3), (9, 1), (11, 22), (17, 18), (12, 3), (3, 16), (0, 2)?

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[User]
In a 24x21 grid, how many different paths are there from the bottom left (0, 0) to the top right (23, 20), if you can only move right or up at each step, subject to the constraint that you cannot move through the following cells: (18, 19), (23, 10), (11, 15), (18, 11), (4, 2), (22, 7), (2, 10), (8, 0), (20, 13), (8, 1), (7, 11), (20, 18), (4, 15), (19, 18), (5, 16), (14, 1), (22, 11), (23, 0), (14, 14), (14, 9), (20, 16), (11, 12), (21, 4), (11, 3), (10, 17), (9, 3), (12, 16), (14, 20), (19, 6), (16, 17), (23, 1), (18, 0), (13, 6), (15, 13), (12, 20), (7, 19), (19, 11), (18, 8), (7, 16), (7, 6), (12, 2), (8, 9), (14, 15), (15, 11), (9, 9), (12, 5), (2, 3), (3, 7), (23, 16), (0, 5), (5, 18), (10, 12), (19, 16), (7, 10), (23, 19), (10, 19), (1, 12), (19, 5), (22, 10), (13, 13), (22, 18), (2, 20), (6, 10), (20, 1), (8, 11), (6, 5), (13, 17), (6, 6), (3, 16), (1, 11), (9, 6), (13, 11), (19, 14), (21, 1), (12, 8), (9, 15), (0, 17), (10, 0), (22, 19), (14, 3), (14, 10), (19, 17), (4, 10), (2, 14), (17, 3), (14, 12), (13, 7), (3, 10), (15, 18), (22, 4), (16, 15), (16, 13), (11, 2), (16, 11), (23, 11), (19, 13), (11, 8), (21, 7), (9, 16), (8, 2), (14, 6), (16, 12), (15, 3), (14, 11), (21, 18), (15, 16), (12, 11), (12, 14)?

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[User]
In a 29x25 grid, how many different paths are there from the bottom left (0, 0) to the top right (28, 24), if you can only move right or up at each step, subject to the constraint that you cannot move through the following cells: (14, 19), (11, 14), (21, 10), (15, 15), (17, 8), (8, 17), (23, 4), (0, 5), (2, 17), (21, 0), (19, 18), (20, 13), (7, 12), (12, 9), (9, 0), (13, 15), (3, 7), (27, 4), (10, 23), (8, 20), (19, 22), (10, 9), (13, 18), (28, 8), (16, 6), (8, 13), (9, 7), (9, 6), (4, 1), (2, 22), (4, 21), (25, 12), (12, 11), (25, 23), (4, 13), (9, 11), (16, 15), (26, 2), (26, 13), (2, 24), (3, 0), (13, 7), (3, 6), (24, 12), (18, 18), (21, 22), (20, 19), (3, 20), (23, 1), (7, 22), (5, 22), (13, 21), (11, 22), (15, 10), (26, 7), (27, 18), (25, 7), (18, 23), (16, 0), (8, 4), (7, 13), (5, 2), (22, 3), (25, 14), (13, 22), (6, 3), (8, 12), (5, 7), (16, 5), (7, 3), (22, 19), (25, 8), (23, 5), (4, 12), (26, 19), (24, 4), (18, 19), (24, 14), (1, 11), (0, 22), (0, 16), (12, 21), (25, 24), (2, 14), (25, 10), (15, 21), (2, 2), (14, 17), (16, 3), (1, 5), (11, 16), (6, 23), (5, 17), (24, 11), (17, 19), (27, 3), (14, 15), (3, 3), (23, 14), (14, 23), (19, 15), (24, 18), (24, 1), (12, 23), (1, 18), (27, 11), (5, 6), (18, 21), (12, 3), (25, 17), (20, 12), (2, 16), (3, 4), (16, 14), (9, 4), (17, 22), (23, 20), (1, 17), (9, 18), (12, 18), (14, 9), (22, 2), (27, 9), (5, 11), (28, 4), (4, 3), (28, 18), (8, 10), (14, 16), (5, 16), (8, 0), (9, 12), (23, 2), (8, 23), (20, 22), (18, 13), (21, 24), (26, 9), (7, 11), (22, 10), (28, 7), (2, 11), (25, 22), (23, 3), (1, 2), (26, 1), (8, 9), (27, 22), (8, 8), (1, 9), (2, 23), (1, 1), (21, 14), (11, 0), (10, 6), (20, 4), (0, 8), (27, 7), (10, 17), (3, 13), (10, 22), (21, 9), (0, 12), (9, 13), (5, 9), (19, 11), (14, 18), (22, 18), (28, 1), (22, 17)?

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[User]
In a 28x22 grid, how many different paths are there from the bottom left (0, 0) to the top right (27, 21), if you can only move right or up at each step, subject to the constraint that you cannot move through the following cells: (8, 12), (17, 4), (25, 14), (4, 4), (19, 18), (7, 17), (21, 2), (10, 6), (27, 2), (3, 8), (21, 9), (10, 13), (25, 11), (23, 18), (16, 10), (7, 12), (14, 0), (2, 4), (8, 3), (18, 6), (9, 7), (5, 9), (5, 18), (16, 11), (26, 17), (7, 11), (10, 3), (8, 0), (16, 15), (22, 0), (2, 14), (27, 20), (5, 11), (9, 9), (0, 10), (10, 5), (13, 9), (14, 15), (6, 8), (6, 7), (7, 8), (12, 3), (14, 18), (14, 16), (7, 1), (4, 7), (11, 9), (15, 4), (21, 16), (20, 13), (3, 11), (6, 14), (18, 16), (19, 11), (16, 1), (13, 7), (21, 1), (1, 19), (1, 9), (2, 13), (5, 14), (9, 8), (24, 9), (12, 19), (1, 14), (20, 6), (17, 19), (1, 12), (10, 2), (24, 0), (23, 4), (26, 12), (22, 11), (21, 8), (14, 17), (21, 18), (18, 18), (13, 18), (20, 10), (19, 10), (2, 19), (23, 8), (16, 7), (24, 1), (8, 9), (19, 2), (11, 3), (22, 14), (15, 0), (12, 13), (3, 4), (0, 11), (4, 12), (22, 19), (4, 15), (6, 18), (4, 20), (25, 6), (9, 2), (6, 13), (7, 5), (26, 19), (12, 17), (22, 3), (5, 8), (5, 21), (12, 0), (8, 7), (3, 15), (14, 8), (16, 13), (14, 7), (0, 6), (19, 8), (15, 18), (14, 11), (5, 5), (26, 9), (16, 4), (22, 17), (23, 16), (8, 1), (18, 4), (8, 19), (15, 17), (4, 16), (0, 18), (25, 2), (12, 9), (17, 21), (21, 17), (22, 13), (12, 21), (23, 2), (9, 10), (26, 3), (23, 10), (9, 16), (0, 21), (19, 5), (7, 20), (19, 1), (21, 20), (8, 14), (14, 4), (12, 1), (13, 10), (2, 6), (22, 8), (26, 14), (26, 8), (23, 5), (12, 4), (15, 19), (24, 19), (27, 3), (19, 0), (10, 16), (1, 0), (26, 5), (24, 11), (21, 13), (4, 11), (13, 1), (15, 15), (6, 15), (8, 20), (16, 18), (5, 6), (14, 14), (20, 14)?

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[User]
In a 21x26 grid, how many different paths are there from the bottom left (0, 0) to the top right (20, 25), if you can only move right or up at each step, subject to the constraint that you cannot move through the following cells: (15, 18), (9, 17), (4, 2), (6, 23), (18, 1), (7, 12), (12, 9), (10, 15), (16, 17), (20, 1), (8, 17), (15, 3), (0, 10), (7, 7), (19, 22), (6, 7), (13, 15), (5, 3), (11, 22), (3, 5), (6, 5), (3, 16), (8, 2), (2, 8), (6, 17), (5, 24), (11, 1), (19, 17), (2, 4), (8, 25), (0, 7), (2, 23), (12, 23), (13, 16), (20, 13), (11, 20), (17, 10), (20, 24), (6, 24), (12, 25), (6, 0), (9, 9), (9, 21), (5, 11), (17, 13), (14, 5), (5, 0), (16, 11), (13, 20), (7, 22), (0, 23), (18, 10), (12, 13), (10, 22), (6, 18), (15, 7), (9, 0), (14, 23), (18, 18), (2, 16), (20, 14), (14, 6), (16, 20), (0, 17), (16, 18), (0, 24), (19, 16), (13, 4), (11, 24), (19, 19), (3, 14), (10, 16), (0, 18), (17, 25), (8, 12), (3, 1), (15, 25), (7, 19), (5, 19), (11, 13), (19, 14), (9, 7), (12, 22), (11, 0), (10, 18), (16, 1), (9, 19), (4, 18), (19, 9), (8, 5), (3, 9), (4, 25), (19, 8), (4, 1), (0, 3), (13, 7), (4, 7), (12, 1), (7, 15), (3, 20), (6, 10), (17, 24), (7, 6), (19, 20), (18, 11), (2, 0), (15, 21), (9, 1), (15, 16), (8, 4), (0, 20), (10, 20), (2, 7), (11, 18), (14, 10), (6, 14), (11, 16), (2, 24), (12, 3), (3, 0), (10, 23), (0, 22), (10, 7), (16, 24), (7, 3), (17, 15), (11, 19), (7, 25), (9, 4), (9, 23), (18, 21), (16, 23), (12, 11), (6, 20), (16, 16), (20, 2), (20, 10), (1, 3), (12, 12)?

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