#!/usr/local/bin/python
from sudoku import *

if __name__ == '__main__':
    s = Sudoku( [
        " 1 5     ",
        "  2 3   4",
        "  7 1482 ",
        "  6     5",
        " 45 2 13 ",
        "3     6  ",
        " 5128 7  ",
        "7   9 2  ",
        "     7 4 ",
        ] )
    sol = s.solution()
    if sol:
        print sol.string()
    else:
        print 'No solution'