B331133131323131133132233133313231323133313132322331322331313331323132313211221   >>    B33113313132313113313223313331323132313331313232233132233131333132313231321122   <<    B331133131323131133132233133313231323133313132322331322331313331323132313211223   >>      B331133131323131133132233133313231323133313132322331322331313331323132313211222   >>