B331133131323131133132233133313231323331323321333133313231323221323132322221   >>    B33113313132313113313223313331323132333132332133313331323132322132313232222   <<    B331133131323131133132233133313231323331323321333133313231323221323132322223   >>      B331133131323131133132233133313231323331323321333133313231323221323132322222   >>