[
((0,9),(5,9)),
((8,0),(0,8)),
((9,4),(3,4)),
((2,2),(2,1)),
((7,0),(7,4)),
((6,4),(2,0)),
((0,9),(2,9)),
((3,4),(1,4)),
((0,0),(8,8)),
((5,5),(8,2)),
]