{{1.0, -1.0, -1.0, -1.0},
{-1.0, 1.0, -1.0, -1.0},
{-1.0, -1.0, 1.0, -1.0},
{-1.0, -1.0, -1.0, 1.0}}
{{1, 2, 3}, {0, 2, 3}, {0, 1, 3}, {0, 1, 2}}