easy_puzzles.py

def easy1():
    puzzle = [[0, 7, 0, 3, 5, 0, 8, 0, 0],
              [0, 3, 8, 7, 1, 4, 0, 6, 9],
              [6, 4, 5, 0, 0, 0, 7, 1, 3],
              [5, 8, 0, 1, 0, 0, 4, 0, 0],
              [0, 0, 2, 0, 0, 9, 3, 0, 7],
              [3, 9, 0, 4, 7, 8, 2, 5, 1],
              [9, 5, 0, 2, 4, 1, 0, 0, 0],
              [0, 6, 0, 8, 9, 5, 1, 0, 2],
              [8, 2, 1, 6, 3, 7, 0, 0, 5]]
    return puzzle

def easy2():
    puzzle = [[0, 7, 1, 0, 8, 0, 0, 3, 0],
              [3, 0, 9, 6, 5, 7, 0, 1, 0],
              [0, 0, 2, 0, 1, 9, 6, 8, 0],
              [0, 6, 0, 2, 3, 5, 8, 0, 1],
              [0, 2, 3, 0, 9, 0, 7, 5, 0],
              [1, 0, 8, 0, 0, 6, 3, 9, 2],
              [8, 1, 6, 0, 0, 3, 0, 2, 5],
              [7, 3, 5, 0, 0, 4, 9, 0, 0],
              [2, 9, 4, 5, 0, 8, 1, 7, 3]]
    return puzzle

def easy3():
    puzzle = [[7, 6, 1, 9, 3, 4, 0, 0, 2],
              [5, 0, 0, 8, 2, 1, 0, 6, 0],
              [0, 0, 2, 6, 7, 0, 0, 1, 4],
              [0, 1, 0, 3, 0, 6, 0, 0, 0],
              [9, 3, 0, 0, 0, 7, 0, 8, 5],
              [0, 5, 7, 2, 8, 9, 0, 3, 0],
              [0, 2, 9, 5, 0, 8, 4, 0, 0],
              [0, 0, 5, 7, 9, 3, 0, 2, 6],
              [6, 7, 3, 4, 0, 2, 0, 9, 0]]
    return puzzle

def easy4():
    puzzle = [[1, 0, 0, 0, 0, 0, 3, 5, 6],
              [9, 0, 0, 4, 3, 5, 1, 2, 0],
              [0, 0, 0, 1, 2, 0, 0, 0, 4],
              [8, 2, 7, 3, 6, 0, 0, 0, 1],
              [0, 0, 1, 0, 5, 0, 0, 6, 0],
              [0, 3, 6, 0, 1, 9, 8, 4, 0],
              [0, 5, 4, 2, 9, 3, 6, 0, 8],
              [0, 0, 9, 6, 8, 7, 4, 3, 0],
              [6, 8, 3, 5, 4, 0, 2, 7, 9]]
    return puzzle