<><>Input
[[0 0 0 0 0]
[0 4 0 0 0]
[0 1 0 0 0]
[0 1 2 0 0]
[0 1 2 3 0]]
www.un.org/Depts/DGACM/index_spanish.htm 预期产出
[[(0, day00) (0, day01) (0, day02) (0, day03) (0, day04)]
[(0, day10) (4, day11) (0, day12) (0, day13) (0, day14)]
[(0, day20) (1, day21) (0, day22) (0, day23) (0, day24)]
[(0, day30) (1, day31) (2, day32) (0, day33) (0, day34)]
[(0, day40) (1, day41) (2, day42) (3, day43) (0, day44)]]
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