@staticmethod<EOL><INDENT>def cross_goal(state):<DEDENT>
centres, edges = state<EOL>for edge in edges:<EOL><INDENT>if "<STR_LIT:D>" not in edge.facings:<EOL><INDENT>return False<EOL><DEDENT>if edge["<STR_LIT:D>"] != centres["<STR_LIT:D>"]["<STR_LIT:D>"]:<EOL><INDENT>return False<EOL><DEDENT>k = "<STR_LIT>".join(edge.facings.keys()).replace("<STR_LIT:D>", "<STR_LIT>")<EOL>if edge[k] != centres[k][k]:<EOL><INDENT>return False<EOL><DEDENT><DEDENT>return True<EOL>
The goal function for cross solving search.