def test_case_7(self): assert vertex_coloring( graph=[ [False, True, True, True], [True, False, True, False], [True, True, False, True], [True, False, True, False], ], m=3, ) == {(1, 2, 3, 2), (2, 1, 3, 1), (3, 1, 2, 1)}
def test_case_6(self): assert (vertex_coloring( graph=[ [False, True, True, True], [True, False, True, True], [True, True, False, True], [True, True, True, False], ], m=3, ) == set())
def test_case_1(self): assert vertex_coloring(graph=[[False, True], [True, False]], m=2) == { (1, 2), (2, 1), }
def test_when_graph_has_one_node(self): assert vertex_coloring(graph=[[False]], m=1) == {(1, )}
def test_case_2(self): assert vertex_coloring(graph=[[False, True], [True, False]], m=1) == set()