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例子
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数组的左上角：
2, 6, 10, 210, 22, 858, 1870, 9699690
3, 15, 21, 1155, 39, 3315, 5187, 111546435
30, 14, 462, 910, 72930, 2926, 238602, 93763670
5, 35, 55, 5005, 85, 11305, 21505, 1078282205
70, 330, 2002, 714, 248710, 152490, 2306486, 60138078
105, 33, 2145, 3927, 440895, 9867, 1870935, 691587897
42, 770, 390, 3094, 114114, 520030, 162690, 581334754
7, 77, 91, 17017, 133, 33649, 50141, 6685349671
154, 546, 170170, 570, 6118, 254562, 357505330, 51269790
231, 1365, 7293, 3135, 1312311, 983535, 11599797, 589602585
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