@staticmethod<EOL><INDENT>def combining_goal(state):<DEDENT>
((corner, edge), (L, U, F, D, R, B)) = state<EOL>if "<STR_LIT>" not in corner or "<STR_LIT>" not in edge: return False<EOL>if set(edge).issubset(set(corner)): return True<EOL>elif set(edge.facings.keys()).issubset(set(corner.facings.keys())): return False<EOL>opposite = {"<STR_LIT:L>":"<STR_LIT:R>", "<STR_LIT:R>":"<STR_LIT:L>", "<STR_LIT:F>":"<STR_LIT:B>", "<STR_LIT:B>":"<STR_LIT:F>"}<EOL>edge_facings = list(edge)<EOL>for i, (face, square) in enumerate(edge_facings):<EOL><INDENT>if face == "<STR_LIT>":<EOL><INDENT>if square != corner[opposite[edge_facings[(i+<NUM_LIT:1>)%<NUM_LIT:2>][<NUM_LIT:0>]]]:<EOL><INDENT>return False<EOL><DEDENT><DEDENT>else:<EOL><INDENT>if square != corner["<STR_LIT>"]:<EOL><INDENT>return False<EOL><DEDENT><DEDENT><DEDENT>return True<EOL>
Check if two Cubies are combined on the U face.