input
stringlengths
6
12
target
stringlengths
117
294
8387+773 =
< scratch > [8, 3, 8, 7] has 4 digits. [7, 7, 3] has 3 digits. [7] + [3] , C = 1, 7 + 3 + 1 = 10, A ->0, C -> 1 [8] + [7] , C = 1, 8 + 7 + 1 = 16, A ->6, C -> 1 [3] + [7] , C = 1, 3 + 7 + 1 = 11, A ->1, C -> 1 [8] + [0] , C = 0, 8 + 0 + 0 = 9, A ->9, C -> 0 </ scratch > sum:9 1 6 0.
7859+6073 =
< scratch > [7, 8, 5, 9] has 4 digits. [6, 0, 7, 3] has 4 digits. [9] + [3] , C = 1, 9 + 3 + 1 = 12, A ->2, C -> 1 [5] + [7] , C = 1, 5 + 7 + 1 = 13, A ->3, C -> 1 [8] + [0] , C = 0, 8 + 0 + 0 = 9, A ->9, C -> 0 [7] + [6] , C = 1, 7 + 6 + 1 = 13, A ->3, C -> 1 </ scratch > sum:1 3 9 3 2.
9477+4489 =
< scratch > [9, 4, 7, 7] has 4 digits. [4, 4, 8, 9] has 4 digits. [7] + [9] , C = 1, 7 + 9 + 1 = 16, A ->6, C -> 1 [7] + [8] , C = 1, 7 + 8 + 1 = 16, A ->6, C -> 1 [4] + [4] , C = 0, 4 + 4 + 0 = 9, A ->9, C -> 0 [9] + [4] , C = 1, 9 + 4 + 1 = 13, A ->3, C -> 1 </ scratch > sum:1 3 9 6 6.
44+986 =
< scratch > [4, 4] has 2 digits. [9, 8, 6] has 3 digits. [4] + [6] , C = 1, 4 + 6 + 1 = 10, A ->0, C -> 1 [4] + [8] , C = 1, 4 + 8 + 1 = 13, A ->3, C -> 1 [0] + [9] , C = 1, 0 + 9 + 1 = 10, A ->0, C -> 1 </ scratch > sum:1 0 3 0.
8659+3456 =
< scratch > [8, 6, 5, 9] has 4 digits. [3, 4, 5, 6] has 4 digits. [9] + [6] , C = 1, 9 + 6 + 1 = 15, A ->5, C -> 1 [5] + [5] , C = 1, 5 + 5 + 1 = 11, A ->1, C -> 1 [6] + [4] , C = 1, 6 + 4 + 1 = 11, A ->1, C -> 1 [8] + [3] , C = 1, 8 + 3 + 1 = 12, A ->2, C -> 1 </ scratch > sum:1 2 1 1 5.
392+9830 =
< scratch > [3, 9, 2] has 3 digits. [9, 8, 3, 0] has 4 digits. [2] + [0] , C = 0, 2 + 0 + 0 = 2, A ->2, C -> 0 [9] + [3] , C = 1, 9 + 3 + 1 = 12, A ->2, C -> 1 [3] + [8] , C = 1, 3 + 8 + 1 = 12, A ->2, C -> 1 [0] + [9] , C = 1, 0 + 9 + 1 = 10, A ->0, C -> 1 </ scratch > sum:1 0 2 2 2.
9979+4827 =
< scratch > [9, 9, 7, 9] has 4 digits. [4, 8, 2, 7] has 4 digits. [9] + [7] , C = 1, 9 + 7 + 1 = 16, A ->6, C -> 1 [7] + [2] , C = 1, 7 + 2 + 1 = 10, A ->0, C -> 1 [9] + [8] , C = 1, 9 + 8 + 1 = 18, A ->8, C -> 1 [9] + [4] , C = 1, 9 + 4 + 1 = 14, A ->4, C -> 1 </ scratch > sum:1 4 8 0 6.
985+466 =
< scratch > [9, 8, 5] has 3 digits. [4, 6, 6] has 3 digits. [5] + [6] , C = 1, 5 + 6 + 1 = 11, A ->1, C -> 1 [8] + [6] , C = 1, 8 + 6 + 1 = 15, A ->5, C -> 1 [9] + [4] , C = 1, 9 + 4 + 1 = 14, A ->4, C -> 1 </ scratch > sum:1 4 5 1.
497+616 =
< scratch > [4, 9, 7] has 3 digits. [6, 1, 6] has 3 digits. [7] + [6] , C = 1, 7 + 6 + 1 = 13, A ->3, C -> 1 [9] + [1] , C = 1, 9 + 1 + 1 = 11, A ->1, C -> 1 [4] + [6] , C = 1, 4 + 6 + 1 = 11, A ->1, C -> 1 </ scratch > sum:1 1 1 3.
2913+7249 =
< scratch > [2, 9, 1, 3] has 4 digits. [7, 2, 4, 9] has 4 digits. [3] + [9] , C = 1, 3 + 9 + 1 = 12, A ->2, C -> 1 [1] + [4] , C = 0, 1 + 4 + 0 = 6, A ->6, C -> 0 [9] + [2] , C = 1, 9 + 2 + 1 = 11, A ->1, C -> 1 [2] + [7] , C = 1, 2 + 7 + 1 = 10, A ->0, C -> 1 </ scratch > sum:1 0 1 6 2.
1599+746 =
< scratch > [1, 5, 9, 9] has 4 digits. [7, 4, 6] has 3 digits. [9] + [6] , C = 1, 9 + 6 + 1 = 15, A ->5, C -> 1 [9] + [4] , C = 1, 9 + 4 + 1 = 14, A ->4, C -> 1 [5] + [7] , C = 1, 5 + 7 + 1 = 13, A ->3, C -> 1 [1] + [0] , C = 0, 1 + 0 + 0 = 2, A ->2, C -> 0 </ scratch > sum:2 3 4 5.
9876+6426 =
< scratch > [9, 8, 7, 6] has 4 digits. [6, 4, 2, 6] has 4 digits. [6] + [6] , C = 1, 6 + 6 + 1 = 12, A ->2, C -> 1 [7] + [2] , C = 1, 7 + 2 + 1 = 10, A ->0, C -> 1 [8] + [4] , C = 1, 8 + 4 + 1 = 13, A ->3, C -> 1 [9] + [6] , C = 1, 9 + 6 + 1 = 16, A ->6, C -> 1 </ scratch > sum:1 6 3 0 2.
3699+811 =
< scratch > [3, 6, 9, 9] has 4 digits. [8, 1, 1] has 3 digits. [9] + [1] , C = 1, 9 + 1 + 1 = 10, A ->0, C -> 1 [9] + [1] , C = 1, 9 + 1 + 1 = 11, A ->1, C -> 1 [6] + [8] , C = 1, 6 + 8 + 1 = 15, A ->5, C -> 1 [3] + [0] , C = 0, 3 + 0 + 0 = 4, A ->4, C -> 0 </ scratch > sum:4 5 1 0.
595+586 =
< scratch > [5, 9, 5] has 3 digits. [5, 8, 6] has 3 digits. [5] + [6] , C = 1, 5 + 6 + 1 = 11, A ->1, C -> 1 [9] + [8] , C = 1, 9 + 8 + 1 = 18, A ->8, C -> 1 [5] + [5] , C = 1, 5 + 5 + 1 = 11, A ->1, C -> 1 </ scratch > sum:1 1 8 1.
9235+826 =
< scratch > [9, 2, 3, 5] has 4 digits. [8, 2, 6] has 3 digits. [5] + [6] , C = 1, 5 + 6 + 1 = 11, A ->1, C -> 1 [3] + [2] , C = 0, 3 + 2 + 0 = 6, A ->6, C -> 0 [2] + [8] , C = 1, 2 + 8 + 1 = 10, A ->0, C -> 1 [9] + [0] , C = 1, 9 + 0 + 1 = 10, A ->0, C -> 1 </ scratch > sum:1 0 0 6 1.
3248+7667 =
< scratch > [3, 2, 4, 8] has 4 digits. [7, 6, 6, 7] has 4 digits. [8] + [7] , C = 1, 8 + 7 + 1 = 15, A ->5, C -> 1 [4] + [6] , C = 1, 4 + 6 + 1 = 11, A ->1, C -> 1 [2] + [6] , C = 0, 2 + 6 + 0 = 9, A ->9, C -> 0 [3] + [7] , C = 1, 3 + 7 + 1 = 10, A ->0, C -> 1 </ scratch > sum:1 0 9 1 5.
9578+596 =
< scratch > [9, 5, 7, 8] has 4 digits. [5, 9, 6] has 3 digits. [8] + [6] , C = 1, 8 + 6 + 1 = 14, A ->4, C -> 1 [7] + [9] , C = 1, 7 + 9 + 1 = 17, A ->7, C -> 1 [5] + [5] , C = 1, 5 + 5 + 1 = 11, A ->1, C -> 1 [9] + [0] , C = 1, 9 + 0 + 1 = 10, A ->0, C -> 1 </ scratch > sum:1 0 1 7 4.
4644+9863 =
< scratch > [4, 6, 4, 4] has 4 digits. [9, 8, 6, 3] has 4 digits. [4] + [3] , C = 0, 4 + 3 + 0 = 7, A ->7, C -> 0 [4] + [6] , C = 1, 4 + 6 + 1 = 10, A ->0, C -> 1 [6] + [8] , C = 1, 6 + 8 + 1 = 15, A ->5, C -> 1 [4] + [9] , C = 1, 4 + 9 + 1 = 14, A ->4, C -> 1 </ scratch > sum:1 4 5 0 7.
8192+3950 =
< scratch > [8, 1, 9, 2] has 4 digits. [3, 9, 5, 0] has 4 digits. [2] + [0] , C = 0, 2 + 0 + 0 = 2, A ->2, C -> 0 [9] + [5] , C = 1, 9 + 5 + 1 = 14, A ->4, C -> 1 [1] + [9] , C = 1, 1 + 9 + 1 = 11, A ->1, C -> 1 [8] + [3] , C = 1, 8 + 3 + 1 = 12, A ->2, C -> 1 </ scratch > sum:1 2 1 4 2.
3816+485 =
< scratch > [3, 8, 1, 6] has 4 digits. [4, 8, 5] has 3 digits. [6] + [5] , C = 1, 6 + 5 + 1 = 11, A ->1, C -> 1 [1] + [8] , C = 1, 1 + 8 + 1 = 10, A ->0, C -> 1 [8] + [4] , C = 1, 8 + 4 + 1 = 13, A ->3, C -> 1 [3] + [0] , C = 0, 3 + 0 + 0 = 4, A ->4, C -> 0 </ scratch > sum:4 3 0 1.
675+488 =
< scratch > [6, 7, 5] has 3 digits. [4, 8, 8] has 3 digits. [5] + [8] , C = 1, 5 + 8 + 1 = 13, A ->3, C -> 1 [7] + [8] , C = 1, 7 + 8 + 1 = 16, A ->6, C -> 1 [6] + [4] , C = 1, 6 + 4 + 1 = 11, A ->1, C -> 1 </ scratch > sum:1 1 6 3.
37+984 =
< scratch > [3, 7] has 2 digits. [9, 8, 4] has 3 digits. [7] + [4] , C = 1, 7 + 4 + 1 = 11, A ->1, C -> 1 [3] + [8] , C = 1, 3 + 8 + 1 = 12, A ->2, C -> 1 [0] + [9] , C = 1, 0 + 9 + 1 = 10, A ->0, C -> 1 </ scratch > sum:1 0 2 1.
9288+5442 =
< scratch > [9, 2, 8, 8] has 4 digits. [5, 4, 4, 2] has 4 digits. [8] + [2] , C = 1, 8 + 2 + 1 = 10, A ->0, C -> 1 [8] + [4] , C = 1, 8 + 4 + 1 = 13, A ->3, C -> 1 [2] + [4] , C = 0, 2 + 4 + 0 = 7, A ->7, C -> 0 [9] + [5] , C = 1, 9 + 5 + 1 = 14, A ->4, C -> 1 </ scratch > sum:1 4 7 3 0.
4+9998 =
< scratch > [4] has 1 digits. [9, 9, 9, 8] has 4 digits. [4] + [8] , C = 1, 4 + 8 + 1 = 12, A ->2, C -> 1 [0] + [9] , C = 1, 0 + 9 + 1 = 10, A ->0, C -> 1 [0] + [9] , C = 1, 0 + 9 + 1 = 10, A ->0, C -> 1 [0] + [9] , C = 1, 0 + 9 + 1 = 10, A ->0, C -> 1 </ scratch > sum:1 0 0 0 2.
319+7788 =
< scratch > [3, 1, 9] has 3 digits. [7, 7, 8, 8] has 4 digits. [9] + [8] , C = 1, 9 + 8 + 1 = 17, A ->7, C -> 1 [1] + [8] , C = 1, 1 + 8 + 1 = 10, A ->0, C -> 1 [3] + [7] , C = 1, 3 + 7 + 1 = 11, A ->1, C -> 1 [0] + [7] , C = 0, 0 + 7 + 0 = 8, A ->8, C -> 0 </ scratch > sum:8 1 0 7.
3988+82 =
< scratch > [3, 9, 8, 8] has 4 digits. [8, 2] has 2 digits. [8] + [2] , C = 1, 8 + 2 + 1 = 10, A ->0, C -> 1 [8] + [8] , C = 1, 8 + 8 + 1 = 17, A ->7, C -> 1 [9] + [0] , C = 1, 9 + 0 + 1 = 10, A ->0, C -> 1 [3] + [0] , C = 0, 3 + 0 + 0 = 4, A ->4, C -> 0 </ scratch > sum:4 0 7 0.
7146+4654 =
< scratch > [7, 1, 4, 6] has 4 digits. [4, 6, 5, 4] has 4 digits. [6] + [4] , C = 1, 6 + 4 + 1 = 10, A ->0, C -> 1 [4] + [5] , C = 1, 4 + 5 + 1 = 10, A ->0, C -> 1 [1] + [6] , C = 0, 1 + 6 + 0 = 8, A ->8, C -> 0 [7] + [4] , C = 1, 7 + 4 + 1 = 11, A ->1, C -> 1 </ scratch > sum:1 1 8 0 0.
759+1886 =
< scratch > [7, 5, 9] has 3 digits. [1, 8, 8, 6] has 4 digits. [9] + [6] , C = 1, 9 + 6 + 1 = 15, A ->5, C -> 1 [5] + [8] , C = 1, 5 + 8 + 1 = 14, A ->4, C -> 1 [7] + [8] , C = 1, 7 + 8 + 1 = 16, A ->6, C -> 1 [0] + [1] , C = 0, 0 + 1 + 0 = 2, A ->2, C -> 0 </ scratch > sum:2 6 4 5.
517+885 =
< scratch > [5, 1, 7] has 3 digits. [8, 8, 5] has 3 digits. [7] + [5] , C = 1, 7 + 5 + 1 = 12, A ->2, C -> 1 [1] + [8] , C = 1, 1 + 8 + 1 = 10, A ->0, C -> 1 [5] + [8] , C = 1, 5 + 8 + 1 = 14, A ->4, C -> 1 </ scratch > sum:1 4 0 2.
585+9980 =
< scratch > [5, 8, 5] has 3 digits. [9, 9, 8, 0] has 4 digits. [5] + [0] , C = 0, 5 + 0 + 0 = 5, A ->5, C -> 0 [8] + [8] , C = 1, 8 + 8 + 1 = 16, A ->6, C -> 1 [5] + [9] , C = 1, 5 + 9 + 1 = 15, A ->5, C -> 1 [0] + [9] , C = 1, 0 + 9 + 1 = 10, A ->0, C -> 1 </ scratch > sum:1 0 5 6 5.
874+858 =
< scratch > [8, 7, 4] has 3 digits. [8, 5, 8] has 3 digits. [4] + [8] , C = 1, 4 + 8 + 1 = 12, A ->2, C -> 1 [7] + [5] , C = 1, 7 + 5 + 1 = 13, A ->3, C -> 1 [8] + [8] , C = 1, 8 + 8 + 1 = 17, A ->7, C -> 1 </ scratch > sum:1 7 3 2.
9583+838 =
< scratch > [9, 5, 8, 3] has 4 digits. [8, 3, 8] has 3 digits. [3] + [8] , C = 1, 3 + 8 + 1 = 11, A ->1, C -> 1 [8] + [3] , C = 1, 8 + 3 + 1 = 12, A ->2, C -> 1 [5] + [8] , C = 1, 5 + 8 + 1 = 14, A ->4, C -> 1 [9] + [0] , C = 1, 9 + 0 + 1 = 10, A ->0, C -> 1 </ scratch > sum:1 0 4 2 1.
997+3688 =
< scratch > [9, 9, 7] has 3 digits. [3, 6, 8, 8] has 4 digits. [7] + [8] , C = 1, 7 + 8 + 1 = 15, A ->5, C -> 1 [9] + [8] , C = 1, 9 + 8 + 1 = 18, A ->8, C -> 1 [9] + [6] , C = 1, 9 + 6 + 1 = 16, A ->6, C -> 1 [0] + [3] , C = 0, 0 + 3 + 0 = 4, A ->4, C -> 0 </ scratch > sum:4 6 8 5.
8987+2777 =
< scratch > [8, 9, 8, 7] has 4 digits. [2, 7, 7, 7] has 4 digits. [7] + [7] , C = 1, 7 + 7 + 1 = 14, A ->4, C -> 1 [8] + [7] , C = 1, 8 + 7 + 1 = 16, A ->6, C -> 1 [9] + [7] , C = 1, 9 + 7 + 1 = 17, A ->7, C -> 1 [8] + [2] , C = 1, 8 + 2 + 1 = 11, A ->1, C -> 1 </ scratch > sum:1 1 7 6 4.
8818+5769 =
< scratch > [8, 8, 1, 8] has 4 digits. [5, 7, 6, 9] has 4 digits. [8] + [9] , C = 1, 8 + 9 + 1 = 17, A ->7, C -> 1 [1] + [6] , C = 0, 1 + 6 + 0 = 8, A ->8, C -> 0 [8] + [7] , C = 1, 8 + 7 + 1 = 15, A ->5, C -> 1 [8] + [5] , C = 1, 8 + 5 + 1 = 14, A ->4, C -> 1 </ scratch > sum:1 4 5 8 7.
9866+7618 =
< scratch > [9, 8, 6, 6] has 4 digits. [7, 6, 1, 8] has 4 digits. [6] + [8] , C = 1, 6 + 8 + 1 = 14, A ->4, C -> 1 [6] + [1] , C = 0, 6 + 1 + 0 = 8, A ->8, C -> 0 [8] + [6] , C = 1, 8 + 6 + 1 = 14, A ->4, C -> 1 [9] + [7] , C = 1, 9 + 7 + 1 = 17, A ->7, C -> 1 </ scratch > sum:1 7 4 8 4.
4469+564 =
< scratch > [4, 4, 6, 9] has 4 digits. [5, 6, 4] has 3 digits. [9] + [4] , C = 1, 9 + 4 + 1 = 13, A ->3, C -> 1 [6] + [6] , C = 1, 6 + 6 + 1 = 13, A ->3, C -> 1 [4] + [5] , C = 1, 4 + 5 + 1 = 10, A ->0, C -> 1 [4] + [0] , C = 0, 4 + 0 + 0 = 5, A ->5, C -> 0 </ scratch > sum:5 0 3 3.
769+976 =
< scratch > [7, 6, 9] has 3 digits. [9, 7, 6] has 3 digits. [9] + [6] , C = 1, 9 + 6 + 1 = 15, A ->5, C -> 1 [6] + [7] , C = 1, 6 + 7 + 1 = 14, A ->4, C -> 1 [7] + [9] , C = 1, 7 + 9 + 1 = 17, A ->7, C -> 1 </ scratch > sum:1 7 4 5.
999+879 =
< scratch > [9, 9, 9] has 3 digits. [8, 7, 9] has 3 digits. [9] + [9] , C = 1, 9 + 9 + 1 = 18, A ->8, C -> 1 [9] + [7] , C = 1, 9 + 7 + 1 = 17, A ->7, C -> 1 [9] + [8] , C = 1, 9 + 8 + 1 = 18, A ->8, C -> 1 </ scratch > sum:1 8 7 8.
4285+5996 =
< scratch > [4, 2, 8, 5] has 4 digits. [5, 9, 9, 6] has 4 digits. [5] + [6] , C = 1, 5 + 6 + 1 = 11, A ->1, C -> 1 [8] + [9] , C = 1, 8 + 9 + 1 = 18, A ->8, C -> 1 [2] + [9] , C = 1, 2 + 9 + 1 = 12, A ->2, C -> 1 [4] + [5] , C = 1, 4 + 5 + 1 = 10, A ->0, C -> 1 </ scratch > sum:1 0 2 8 1.
8864+2280 =
< scratch > [8, 8, 6, 4] has 4 digits. [2, 2, 8, 0] has 4 digits. [4] + [0] , C = 0, 4 + 0 + 0 = 4, A ->4, C -> 0 [6] + [8] , C = 1, 6 + 8 + 1 = 14, A ->4, C -> 1 [8] + [2] , C = 1, 8 + 2 + 1 = 11, A ->1, C -> 1 [8] + [2] , C = 1, 8 + 2 + 1 = 11, A ->1, C -> 1 </ scratch > sum:1 1 1 4 4.
843+997 =
< scratch > [8, 4, 3] has 3 digits. [9, 9, 7] has 3 digits. [3] + [7] , C = 1, 3 + 7 + 1 = 10, A ->0, C -> 1 [4] + [9] , C = 1, 4 + 9 + 1 = 14, A ->4, C -> 1 [8] + [9] , C = 1, 8 + 9 + 1 = 18, A ->8, C -> 1 </ scratch > sum:1 8 4 0.
7809+5535 =
< scratch > [7, 8, 0, 9] has 4 digits. [5, 5, 3, 5] has 4 digits. [9] + [5] , C = 1, 9 + 5 + 1 = 14, A ->4, C -> 1 [0] + [3] , C = 0, 0 + 3 + 0 = 4, A ->4, C -> 0 [8] + [5] , C = 1, 8 + 5 + 1 = 13, A ->3, C -> 1 [7] + [5] , C = 1, 7 + 5 + 1 = 13, A ->3, C -> 1 </ scratch > sum:1 3 3 4 4.
755+2298 =
< scratch > [7, 5, 5] has 3 digits. [2, 2, 9, 8] has 4 digits. [5] + [8] , C = 1, 5 + 8 + 1 = 13, A ->3, C -> 1 [5] + [9] , C = 1, 5 + 9 + 1 = 15, A ->5, C -> 1 [7] + [2] , C = 1, 7 + 2 + 1 = 10, A ->0, C -> 1 [0] + [2] , C = 0, 0 + 2 + 0 = 3, A ->3, C -> 0 </ scratch > sum:3 0 5 3.
549+6699 =
< scratch > [5, 4, 9] has 3 digits. [6, 6, 9, 9] has 4 digits. [9] + [9] , C = 1, 9 + 9 + 1 = 18, A ->8, C -> 1 [4] + [9] , C = 1, 4 + 9 + 1 = 14, A ->4, C -> 1 [5] + [6] , C = 1, 5 + 6 + 1 = 12, A ->2, C -> 1 [0] + [6] , C = 0, 0 + 6 + 0 = 7, A ->7, C -> 0 </ scratch > sum:7 2 4 8.
7876+725 =
< scratch > [7, 8, 7, 6] has 4 digits. [7, 2, 5] has 3 digits. [6] + [5] , C = 1, 6 + 5 + 1 = 11, A ->1, C -> 1 [7] + [2] , C = 1, 7 + 2 + 1 = 10, A ->0, C -> 1 [8] + [7] , C = 1, 8 + 7 + 1 = 16, A ->6, C -> 1 [7] + [0] , C = 0, 7 + 0 + 0 = 8, A ->8, C -> 0 </ scratch > sum:8 6 0 1.
94+929 =
< scratch > [9, 4] has 2 digits. [9, 2, 9] has 3 digits. [4] + [9] , C = 1, 4 + 9 + 1 = 13, A ->3, C -> 1 [9] + [2] , C = 1, 9 + 2 + 1 = 12, A ->2, C -> 1 [0] + [9] , C = 1, 0 + 9 + 1 = 10, A ->0, C -> 1 </ scratch > sum:1 0 2 3.
8097+3704 =
< scratch > [8, 0, 9, 7] has 4 digits. [3, 7, 0, 4] has 4 digits. [7] + [4] , C = 1, 7 + 4 + 1 = 11, A ->1, C -> 1 [9] + [0] , C = 1, 9 + 0 + 1 = 10, A ->0, C -> 1 [0] + [7] , C = 0, 0 + 7 + 0 = 8, A ->8, C -> 0 [8] + [3] , C = 1, 8 + 3 + 1 = 11, A ->1, C -> 1 </ scratch > sum:1 1 8 0 1.
8779+3807 =
< scratch > [8, 7, 7, 9] has 4 digits. [3, 8, 0, 7] has 4 digits. [9] + [7] , C = 1, 9 + 7 + 1 = 16, A ->6, C -> 1 [7] + [0] , C = 0, 7 + 0 + 0 = 8, A ->8, C -> 0 [7] + [8] , C = 1, 7 + 8 + 1 = 15, A ->5, C -> 1 [8] + [3] , C = 1, 8 + 3 + 1 = 12, A ->2, C -> 1 </ scratch > sum:1 2 5 8 6.
6069+6046 =
< scratch > [6, 0, 6, 9] has 4 digits. [6, 0, 4, 6] has 4 digits. [9] + [6] , C = 1, 9 + 6 + 1 = 15, A ->5, C -> 1 [6] + [4] , C = 1, 6 + 4 + 1 = 11, A ->1, C -> 1 [0] + [0] , C = 0, 0 + 0 + 0 = 1, A ->1, C -> 0 [6] + [6] , C = 1, 6 + 6 + 1 = 12, A ->2, C -> 1 </ scratch > sum:1 2 1 1 5.
2838+599 =
< scratch > [2, 8, 3, 8] has 4 digits. [5, 9, 9] has 3 digits. [8] + [9] , C = 1, 8 + 9 + 1 = 17, A ->7, C -> 1 [3] + [9] , C = 1, 3 + 9 + 1 = 13, A ->3, C -> 1 [8] + [5] , C = 1, 8 + 5 + 1 = 14, A ->4, C -> 1 [2] + [0] , C = 0, 2 + 0 + 0 = 3, A ->3, C -> 0 </ scratch > sum:3 4 3 7.
947+478 =
< scratch > [9, 4, 7] has 3 digits. [4, 7, 8] has 3 digits. [7] + [8] , C = 1, 7 + 8 + 1 = 15, A ->5, C -> 1 [4] + [7] , C = 1, 4 + 7 + 1 = 12, A ->2, C -> 1 [9] + [4] , C = 1, 9 + 4 + 1 = 14, A ->4, C -> 1 </ scratch > sum:1 4 2 5.
4858+582 =
< scratch > [4, 8, 5, 8] has 4 digits. [5, 8, 2] has 3 digits. [8] + [2] , C = 1, 8 + 2 + 1 = 10, A ->0, C -> 1 [5] + [8] , C = 1, 5 + 8 + 1 = 14, A ->4, C -> 1 [8] + [5] , C = 1, 8 + 5 + 1 = 14, A ->4, C -> 1 [4] + [0] , C = 0, 4 + 0 + 0 = 5, A ->5, C -> 0 </ scratch > sum:5 4 4 0.
1967+399 =
< scratch > [1, 9, 6, 7] has 4 digits. [3, 9, 9] has 3 digits. [7] + [9] , C = 1, 7 + 9 + 1 = 16, A ->6, C -> 1 [6] + [9] , C = 1, 6 + 9 + 1 = 16, A ->6, C -> 1 [9] + [3] , C = 1, 9 + 3 + 1 = 13, A ->3, C -> 1 [1] + [0] , C = 0, 1 + 0 + 0 = 2, A ->2, C -> 0 </ scratch > sum:2 3 6 6.
98+907 =
< scratch > [9, 8] has 2 digits. [9, 0, 7] has 3 digits. [8] + [7] , C = 1, 8 + 7 + 1 = 15, A ->5, C -> 1 [9] + [0] , C = 1, 9 + 0 + 1 = 10, A ->0, C -> 1 [0] + [9] , C = 1, 0 + 9 + 1 = 10, A ->0, C -> 1 </ scratch > sum:1 0 0 5.
59+9977 =
< scratch > [5, 9] has 2 digits. [9, 9, 7, 7] has 4 digits. [9] + [7] , C = 1, 9 + 7 + 1 = 16, A ->6, C -> 1 [5] + [7] , C = 1, 5 + 7 + 1 = 13, A ->3, C -> 1 [0] + [9] , C = 1, 0 + 9 + 1 = 10, A ->0, C -> 1 [0] + [9] , C = 1, 0 + 9 + 1 = 10, A ->0, C -> 1 </ scratch > sum:1 0 0 3 6.
7313+4838 =
< scratch > [7, 3, 1, 3] has 4 digits. [4, 8, 3, 8] has 4 digits. [3] + [8] , C = 1, 3 + 8 + 1 = 11, A ->1, C -> 1 [1] + [3] , C = 0, 1 + 3 + 0 = 5, A ->5, C -> 0 [3] + [8] , C = 1, 3 + 8 + 1 = 11, A ->1, C -> 1 [7] + [4] , C = 1, 7 + 4 + 1 = 12, A ->2, C -> 1 </ scratch > sum:1 2 1 5 1.
7072+9198 =
< scratch > [7, 0, 7, 2] has 4 digits. [9, 1, 9, 8] has 4 digits. [2] + [8] , C = 1, 2 + 8 + 1 = 10, A ->0, C -> 1 [7] + [9] , C = 1, 7 + 9 + 1 = 17, A ->7, C -> 1 [0] + [1] , C = 0, 0 + 1 + 0 = 2, A ->2, C -> 0 [7] + [9] , C = 1, 7 + 9 + 1 = 16, A ->6, C -> 1 </ scratch > sum:1 6 2 7 0.
659+3847 =
< scratch > [6, 5, 9] has 3 digits. [3, 8, 4, 7] has 4 digits. [9] + [7] , C = 1, 9 + 7 + 1 = 16, A ->6, C -> 1 [5] + [4] , C = 1, 5 + 4 + 1 = 10, A ->0, C -> 1 [6] + [8] , C = 1, 6 + 8 + 1 = 15, A ->5, C -> 1 [0] + [3] , C = 0, 0 + 3 + 0 = 4, A ->4, C -> 0 </ scratch > sum:4 5 0 6.
954+656 =
< scratch > [9, 5, 4] has 3 digits. [6, 5, 6] has 3 digits. [4] + [6] , C = 1, 4 + 6 + 1 = 10, A ->0, C -> 1 [5] + [5] , C = 1, 5 + 5 + 1 = 11, A ->1, C -> 1 [9] + [6] , C = 1, 9 + 6 + 1 = 16, A ->6, C -> 1 </ scratch > sum:1 6 1 0.
7424+4783 =
< scratch > [7, 4, 2, 4] has 4 digits. [4, 7, 8, 3] has 4 digits. [4] + [3] , C = 0, 4 + 3 + 0 = 7, A ->7, C -> 0 [2] + [8] , C = 1, 2 + 8 + 1 = 10, A ->0, C -> 1 [4] + [7] , C = 1, 4 + 7 + 1 = 12, A ->2, C -> 1 [7] + [4] , C = 1, 7 + 4 + 1 = 12, A ->2, C -> 1 </ scratch > sum:1 2 2 0 7.
9263+1778 =
< scratch > [9, 2, 6, 3] has 4 digits. [1, 7, 7, 8] has 4 digits. [3] + [8] , C = 1, 3 + 8 + 1 = 11, A ->1, C -> 1 [6] + [7] , C = 1, 6 + 7 + 1 = 14, A ->4, C -> 1 [2] + [7] , C = 1, 2 + 7 + 1 = 10, A ->0, C -> 1 [9] + [1] , C = 1, 9 + 1 + 1 = 11, A ->1, C -> 1 </ scratch > sum:1 1 0 4 1.
6878+4464 =
< scratch > [6, 8, 7, 8] has 4 digits. [4, 4, 6, 4] has 4 digits. [8] + [4] , C = 1, 8 + 4 + 1 = 12, A ->2, C -> 1 [7] + [6] , C = 1, 7 + 6 + 1 = 14, A ->4, C -> 1 [8] + [4] , C = 1, 8 + 4 + 1 = 13, A ->3, C -> 1 [6] + [4] , C = 1, 6 + 4 + 1 = 11, A ->1, C -> 1 </ scratch > sum:1 1 3 4 2.
853+578 =
< scratch > [8, 5, 3] has 3 digits. [5, 7, 8] has 3 digits. [3] + [8] , C = 1, 3 + 8 + 1 = 11, A ->1, C -> 1 [5] + [7] , C = 1, 5 + 7 + 1 = 13, A ->3, C -> 1 [8] + [5] , C = 1, 8 + 5 + 1 = 14, A ->4, C -> 1 </ scratch > sum:1 4 3 1.
883+547 =
< scratch > [8, 8, 3] has 3 digits. [5, 4, 7] has 3 digits. [3] + [7] , C = 1, 3 + 7 + 1 = 10, A ->0, C -> 1 [8] + [4] , C = 1, 8 + 4 + 1 = 13, A ->3, C -> 1 [8] + [5] , C = 1, 8 + 5 + 1 = 14, A ->4, C -> 1 </ scratch > sum:1 4 3 0.
4747+9153 =
< scratch > [4, 7, 4, 7] has 4 digits. [9, 1, 5, 3] has 4 digits. [7] + [3] , C = 1, 7 + 3 + 1 = 10, A ->0, C -> 1 [4] + [5] , C = 1, 4 + 5 + 1 = 10, A ->0, C -> 1 [7] + [1] , C = 0, 7 + 1 + 0 = 9, A ->9, C -> 0 [4] + [9] , C = 1, 4 + 9 + 1 = 13, A ->3, C -> 1 </ scratch > sum:1 3 9 0 0.
988+725 =
< scratch > [9, 8, 8] has 3 digits. [7, 2, 5] has 3 digits. [8] + [5] , C = 1, 8 + 5 + 1 = 13, A ->3, C -> 1 [8] + [2] , C = 1, 8 + 2 + 1 = 11, A ->1, C -> 1 [9] + [7] , C = 1, 9 + 7 + 1 = 17, A ->7, C -> 1 </ scratch > sum:1 7 1 3.
8190+6967 =
< scratch > [8, 1, 9, 0] has 4 digits. [6, 9, 6, 7] has 4 digits. [0] + [7] , C = 0, 0 + 7 + 0 = 7, A ->7, C -> 0 [9] + [6] , C = 1, 9 + 6 + 1 = 15, A ->5, C -> 1 [1] + [9] , C = 1, 1 + 9 + 1 = 11, A ->1, C -> 1 [8] + [6] , C = 1, 8 + 6 + 1 = 15, A ->5, C -> 1 </ scratch > sum:1 5 1 5 7.
2339+683 =
< scratch > [2, 3, 3, 9] has 4 digits. [6, 8, 3] has 3 digits. [9] + [3] , C = 1, 9 + 3 + 1 = 12, A ->2, C -> 1 [3] + [8] , C = 1, 3 + 8 + 1 = 12, A ->2, C -> 1 [3] + [6] , C = 1, 3 + 6 + 1 = 10, A ->0, C -> 1 [2] + [0] , C = 0, 2 + 0 + 0 = 3, A ->3, C -> 0 </ scratch > sum:3 0 2 2.
457+584 =
< scratch > [4, 5, 7] has 3 digits. [5, 8, 4] has 3 digits. [7] + [4] , C = 1, 7 + 4 + 1 = 11, A ->1, C -> 1 [5] + [8] , C = 1, 5 + 8 + 1 = 14, A ->4, C -> 1 [4] + [5] , C = 1, 4 + 5 + 1 = 10, A ->0, C -> 1 </ scratch > sum:1 0 4 1.
8487+7057 =
< scratch > [8, 4, 8, 7] has 4 digits. [7, 0, 5, 7] has 4 digits. [7] + [7] , C = 1, 7 + 7 + 1 = 14, A ->4, C -> 1 [8] + [5] , C = 1, 8 + 5 + 1 = 14, A ->4, C -> 1 [4] + [0] , C = 0, 4 + 0 + 0 = 5, A ->5, C -> 0 [8] + [7] , C = 1, 8 + 7 + 1 = 15, A ->5, C -> 1 </ scratch > sum:1 5 5 4 4.
74+9957 =
< scratch > [7, 4] has 2 digits. [9, 9, 5, 7] has 4 digits. [4] + [7] , C = 1, 4 + 7 + 1 = 11, A ->1, C -> 1 [7] + [5] , C = 1, 7 + 5 + 1 = 13, A ->3, C -> 1 [0] + [9] , C = 1, 0 + 9 + 1 = 10, A ->0, C -> 1 [0] + [9] , C = 1, 0 + 9 + 1 = 10, A ->0, C -> 1 </ scratch > sum:1 0 0 3 1.
9099+4092 =
< scratch > [9, 0, 9, 9] has 4 digits. [4, 0, 9, 2] has 4 digits. [9] + [2] , C = 1, 9 + 2 + 1 = 11, A ->1, C -> 1 [9] + [9] , C = 1, 9 + 9 + 1 = 19, A ->9, C -> 1 [0] + [0] , C = 0, 0 + 0 + 0 = 1, A ->1, C -> 0 [9] + [4] , C = 1, 9 + 4 + 1 = 13, A ->3, C -> 1 </ scratch > sum:1 3 1 9 1.
5197+9868 =
< scratch > [5, 1, 9, 7] has 4 digits. [9, 8, 6, 8] has 4 digits. [7] + [8] , C = 1, 7 + 8 + 1 = 15, A ->5, C -> 1 [9] + [6] , C = 1, 9 + 6 + 1 = 16, A ->6, C -> 1 [1] + [8] , C = 1, 1 + 8 + 1 = 10, A ->0, C -> 1 [5] + [9] , C = 1, 5 + 9 + 1 = 15, A ->5, C -> 1 </ scratch > sum:1 5 0 6 5.
2668+1877 =
< scratch > [2, 6, 6, 8] has 4 digits. [1, 8, 7, 7] has 4 digits. [8] + [7] , C = 1, 8 + 7 + 1 = 15, A ->5, C -> 1 [6] + [7] , C = 1, 6 + 7 + 1 = 14, A ->4, C -> 1 [6] + [8] , C = 1, 6 + 8 + 1 = 15, A ->5, C -> 1 [2] + [1] , C = 0, 2 + 1 + 0 = 4, A ->4, C -> 0 </ scratch > sum:4 5 4 5.
2827+7557 =
< scratch > [2, 8, 2, 7] has 4 digits. [7, 5, 5, 7] has 4 digits. [7] + [7] , C = 1, 7 + 7 + 1 = 14, A ->4, C -> 1 [2] + [5] , C = 0, 2 + 5 + 0 = 8, A ->8, C -> 0 [8] + [5] , C = 1, 8 + 5 + 1 = 13, A ->3, C -> 1 [2] + [7] , C = 1, 2 + 7 + 1 = 10, A ->0, C -> 1 </ scratch > sum:1 0 3 8 4.
4336+867 =
< scratch > [4, 3, 3, 6] has 4 digits. [8, 6, 7] has 3 digits. [6] + [7] , C = 1, 6 + 7 + 1 = 13, A ->3, C -> 1 [3] + [6] , C = 1, 3 + 6 + 1 = 10, A ->0, C -> 1 [3] + [8] , C = 1, 3 + 8 + 1 = 12, A ->2, C -> 1 [4] + [0] , C = 0, 4 + 0 + 0 = 5, A ->5, C -> 0 </ scratch > sum:5 2 0 3.
1929+9822 =
< scratch > [1, 9, 2, 9] has 4 digits. [9, 8, 2, 2] has 4 digits. [9] + [2] , C = 1, 9 + 2 + 1 = 11, A ->1, C -> 1 [2] + [2] , C = 0, 2 + 2 + 0 = 5, A ->5, C -> 0 [9] + [8] , C = 1, 9 + 8 + 1 = 17, A ->7, C -> 1 [1] + [9] , C = 1, 1 + 9 + 1 = 11, A ->1, C -> 1 </ scratch > sum:1 1 7 5 1.
997+9154 =
< scratch > [9, 9, 7] has 3 digits. [9, 1, 5, 4] has 4 digits. [7] + [4] , C = 1, 7 + 4 + 1 = 11, A ->1, C -> 1 [9] + [5] , C = 1, 9 + 5 + 1 = 15, A ->5, C -> 1 [9] + [1] , C = 1, 9 + 1 + 1 = 11, A ->1, C -> 1 [0] + [9] , C = 1, 0 + 9 + 1 = 10, A ->0, C -> 1 </ scratch > sum:1 0 1 5 1.
836+298 =
< scratch > [8, 3, 6] has 3 digits. [2, 9, 8] has 3 digits. [6] + [8] , C = 1, 6 + 8 + 1 = 14, A ->4, C -> 1 [3] + [9] , C = 1, 3 + 9 + 1 = 13, A ->3, C -> 1 [8] + [2] , C = 1, 8 + 2 + 1 = 11, A ->1, C -> 1 </ scratch > sum:1 1 3 4.
296+714 =
< scratch > [2, 9, 6] has 3 digits. [7, 1, 4] has 3 digits. [6] + [4] , C = 1, 6 + 4 + 1 = 10, A ->0, C -> 1 [9] + [1] , C = 1, 9 + 1 + 1 = 11, A ->1, C -> 1 [2] + [7] , C = 1, 2 + 7 + 1 = 10, A ->0, C -> 1 </ scratch > sum:1 0 1 0.
977+73 =
< scratch > [9, 7, 7] has 3 digits. [7, 3] has 2 digits. [7] + [3] , C = 1, 7 + 3 + 1 = 10, A ->0, C -> 1 [7] + [7] , C = 1, 7 + 7 + 1 = 15, A ->5, C -> 1 [9] + [0] , C = 1, 9 + 0 + 1 = 10, A ->0, C -> 1 </ scratch > sum:1 0 5 0.
1788+1325 =
< scratch > [1, 7, 8, 8] has 4 digits. [1, 3, 2, 5] has 4 digits. [8] + [5] , C = 1, 8 + 5 + 1 = 13, A ->3, C -> 1 [8] + [2] , C = 1, 8 + 2 + 1 = 11, A ->1, C -> 1 [7] + [3] , C = 1, 7 + 3 + 1 = 11, A ->1, C -> 1 [1] + [1] , C = 0, 1 + 1 + 0 = 3, A ->3, C -> 0 </ scratch > sum:3 1 1 3.
9364+5246 =
< scratch > [9, 3, 6, 4] has 4 digits. [5, 2, 4, 6] has 4 digits. [4] + [6] , C = 1, 4 + 6 + 1 = 10, A ->0, C -> 1 [6] + [4] , C = 1, 6 + 4 + 1 = 11, A ->1, C -> 1 [3] + [2] , C = 0, 3 + 2 + 0 = 6, A ->6, C -> 0 [9] + [5] , C = 1, 9 + 5 + 1 = 14, A ->4, C -> 1 </ scratch > sum:1 4 6 1 0.
605+9789 =
< scratch > [6, 0, 5] has 3 digits. [9, 7, 8, 9] has 4 digits. [5] + [9] , C = 1, 5 + 9 + 1 = 14, A ->4, C -> 1 [0] + [8] , C = 0, 0 + 8 + 0 = 9, A ->9, C -> 0 [6] + [7] , C = 1, 6 + 7 + 1 = 13, A ->3, C -> 1 [0] + [9] , C = 1, 0 + 9 + 1 = 10, A ->0, C -> 1 </ scratch > sum:1 0 3 9 4.
8966+576 =
< scratch > [8, 9, 6, 6] has 4 digits. [5, 7, 6] has 3 digits. [6] + [6] , C = 1, 6 + 6 + 1 = 12, A ->2, C -> 1 [6] + [7] , C = 1, 6 + 7 + 1 = 14, A ->4, C -> 1 [9] + [5] , C = 1, 9 + 5 + 1 = 15, A ->5, C -> 1 [8] + [0] , C = 0, 8 + 0 + 0 = 9, A ->9, C -> 0 </ scratch > sum:9 5 4 2.
6416+987 =
< scratch > [6, 4, 1, 6] has 4 digits. [9, 8, 7] has 3 digits. [6] + [7] , C = 1, 6 + 7 + 1 = 13, A ->3, C -> 1 [1] + [8] , C = 1, 1 + 8 + 1 = 10, A ->0, C -> 1 [4] + [9] , C = 1, 4 + 9 + 1 = 14, A ->4, C -> 1 [6] + [0] , C = 0, 6 + 0 + 0 = 7, A ->7, C -> 0 </ scratch > sum:7 4 0 3.
3461+9945 =
< scratch > [3, 4, 6, 1] has 4 digits. [9, 9, 4, 5] has 4 digits. [1] + [5] , C = 0, 1 + 5 + 0 = 6, A ->6, C -> 0 [6] + [4] , C = 1, 6 + 4 + 1 = 10, A ->0, C -> 1 [4] + [9] , C = 1, 4 + 9 + 1 = 14, A ->4, C -> 1 [3] + [9] , C = 1, 3 + 9 + 1 = 13, A ->3, C -> 1 </ scratch > sum:1 3 4 0 6.
5062+6939 =
< scratch > [5, 0, 6, 2] has 4 digits. [6, 9, 3, 9] has 4 digits. [2] + [9] , C = 1, 2 + 9 + 1 = 11, A ->1, C -> 1 [6] + [3] , C = 1, 6 + 3 + 1 = 10, A ->0, C -> 1 [0] + [9] , C = 1, 0 + 9 + 1 = 10, A ->0, C -> 1 [5] + [6] , C = 1, 5 + 6 + 1 = 12, A ->2, C -> 1 </ scratch > sum:1 2 0 0 1.
639+7889 =
< scratch > [6, 3, 9] has 3 digits. [7, 8, 8, 9] has 4 digits. [9] + [9] , C = 1, 9 + 9 + 1 = 18, A ->8, C -> 1 [3] + [8] , C = 1, 3 + 8 + 1 = 12, A ->2, C -> 1 [6] + [8] , C = 1, 6 + 8 + 1 = 15, A ->5, C -> 1 [0] + [7] , C = 0, 0 + 7 + 0 = 8, A ->8, C -> 0 </ scratch > sum:8 5 2 8.
577+836 =
< scratch > [5, 7, 7] has 3 digits. [8, 3, 6] has 3 digits. [7] + [6] , C = 1, 7 + 6 + 1 = 13, A ->3, C -> 1 [7] + [3] , C = 1, 7 + 3 + 1 = 11, A ->1, C -> 1 [5] + [8] , C = 1, 5 + 8 + 1 = 14, A ->4, C -> 1 </ scratch > sum:1 4 1 3.
7794+3946 =
< scratch > [7, 7, 9, 4] has 4 digits. [3, 9, 4, 6] has 4 digits. [4] + [6] , C = 1, 4 + 6 + 1 = 10, A ->0, C -> 1 [9] + [4] , C = 1, 9 + 4 + 1 = 14, A ->4, C -> 1 [7] + [9] , C = 1, 7 + 9 + 1 = 17, A ->7, C -> 1 [7] + [3] , C = 1, 7 + 3 + 1 = 11, A ->1, C -> 1 </ scratch > sum:1 1 7 4 0.
9951+73 =
< scratch > [9, 9, 5, 1] has 4 digits. [7, 3] has 2 digits. [1] + [3] , C = 0, 1 + 3 + 0 = 4, A ->4, C -> 0 [5] + [7] , C = 1, 5 + 7 + 1 = 12, A ->2, C -> 1 [9] + [0] , C = 1, 9 + 0 + 1 = 10, A ->0, C -> 1 [9] + [0] , C = 1, 9 + 0 + 1 = 10, A ->0, C -> 1 </ scratch > sum:1 0 0 2 4.
5263+5499 =
< scratch > [5, 2, 6, 3] has 4 digits. [5, 4, 9, 9] has 4 digits. [3] + [9] , C = 1, 3 + 9 + 1 = 12, A ->2, C -> 1 [6] + [9] , C = 1, 6 + 9 + 1 = 16, A ->6, C -> 1 [2] + [4] , C = 0, 2 + 4 + 0 = 7, A ->7, C -> 0 [5] + [5] , C = 1, 5 + 5 + 1 = 10, A ->0, C -> 1 </ scratch > sum:1 0 7 6 2.
1978+2824 =
< scratch > [1, 9, 7, 8] has 4 digits. [2, 8, 2, 4] has 4 digits. [8] + [4] , C = 1, 8 + 4 + 1 = 12, A ->2, C -> 1 [7] + [2] , C = 1, 7 + 2 + 1 = 10, A ->0, C -> 1 [9] + [8] , C = 1, 9 + 8 + 1 = 18, A ->8, C -> 1 [1] + [2] , C = 0, 1 + 2 + 0 = 4, A ->4, C -> 0 </ scratch > sum:4 8 0 2.
2975+7598 =
< scratch > [2, 9, 7, 5] has 4 digits. [7, 5, 9, 8] has 4 digits. [5] + [8] , C = 1, 5 + 8 + 1 = 13, A ->3, C -> 1 [7] + [9] , C = 1, 7 + 9 + 1 = 17, A ->7, C -> 1 [9] + [5] , C = 1, 9 + 5 + 1 = 15, A ->5, C -> 1 [2] + [7] , C = 1, 2 + 7 + 1 = 10, A ->0, C -> 1 </ scratch > sum:1 0 5 7 3.
8491+6827 =
< scratch > [8, 4, 9, 1] has 4 digits. [6, 8, 2, 7] has 4 digits. [1] + [7] , C = 0, 1 + 7 + 0 = 8, A ->8, C -> 0 [9] + [2] , C = 1, 9 + 2 + 1 = 11, A ->1, C -> 1 [4] + [8] , C = 1, 4 + 8 + 1 = 13, A ->3, C -> 1 [8] + [6] , C = 1, 8 + 6 + 1 = 15, A ->5, C -> 1 </ scratch > sum:1 5 3 1 8.
5965+166 =
< scratch > [5, 9, 6, 5] has 4 digits. [1, 6, 6] has 3 digits. [5] + [6] , C = 1, 5 + 6 + 1 = 11, A ->1, C -> 1 [6] + [6] , C = 1, 6 + 6 + 1 = 13, A ->3, C -> 1 [9] + [1] , C = 1, 9 + 1 + 1 = 11, A ->1, C -> 1 [5] + [0] , C = 0, 5 + 0 + 0 = 6, A ->6, C -> 0 </ scratch > sum:6 1 3 1.
1299+812 =
< scratch > [1, 2, 9, 9] has 4 digits. [8, 1, 2] has 3 digits. [9] + [2] , C = 1, 9 + 2 + 1 = 11, A ->1, C -> 1 [9] + [1] , C = 1, 9 + 1 + 1 = 11, A ->1, C -> 1 [2] + [8] , C = 1, 2 + 8 + 1 = 11, A ->1, C -> 1 [1] + [0] , C = 0, 1 + 0 + 0 = 2, A ->2, C -> 0 </ scratch > sum:2 1 1 1.
237+899 =
< scratch > [2, 3, 7] has 3 digits. [8, 9, 9] has 3 digits. [7] + [9] , C = 1, 7 + 9 + 1 = 16, A ->6, C -> 1 [3] + [9] , C = 1, 3 + 9 + 1 = 13, A ->3, C -> 1 [2] + [8] , C = 1, 2 + 8 + 1 = 11, A ->1, C -> 1 </ scratch > sum:1 1 3 6.