我没办法, 写了个程序暴力计算,  有 224 个组合满足条件, 孩子怎么也算不过来啊..............

zylthinking@linux:~$ ./a.out | wc -l
224
zylthinking@linux:~$ ./a.out
x = 10245, y = 86379
x = 10249, y = 86375
x = 10275, y = 86349
x = 10279, y = 86345
x = 10345, y = 86279
x = 10349, y = 86275
x = 10375, y = 86249
x = 10379, y = 86245
x = 12650, y = 83974
x = 12654, y = 83970
x = 12670, y = 83954
x = 12674, y = 83950
x = 12950, y = 83674
x = 12954, y = 83670
x = 12970, y = 83654
x = 12974, y = 83650
x = 13650, y = 82974
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FROM 114.246.102.*