五家共井，甲二绠（汲水用的井绳）不足，如（接上）乙一绠；乙三绠不足，如丙一绠；丙四绠不足，如丁一绠；丁五绠不足，如戊一绠；戊六绠不足，如甲一绠，皆及
# encoding: utf-8
for k in range(1, 5):
for e in range(1, 500):
a = 721 * k - 6 * e
b = 721 * k - 2 * a
c = 721 * k - 3 * b
d = 721 * k - 4 * c
e = 721 * k - 5 * d
result1 = a + 6 * e
result2 = b + 2 * a
result3 = c + 3 * b
result4 = d + 4 * c
result5 = e + 5 * d
if result1 == result2 == result3 == result4 == result5:
print('井深%d:甲家绳长%d乙家绳长%d丙家绳长%d丁家绳长%d戊家绳长%d' % (result1, a, b, c, d, e))
戊家的绳子是最短的，所以以e为循环单位，第二组解算出来就非常吓人了·····
井深721:甲家绳长265乙家绳长191丙家绳长148丁家绳长129戊家绳长76
井深1442:甲家绳长530乙家绳长382丙家绳长296丁家绳长258戊家绳长152
