B331133131323131133132233133313231323331323321333133313232231221   >>    B33113313132313113313223313331323132333132332133313331323223122   <<    B331133131323131133132233133313231323331323321333133313232231223   >>      B331133131323131133132233133313231323331323321333133313232231222   >>