B331133131323131133132233133313231313231333132322331323233231221   >>    B33113313132313113313223313331323131323133313232233132323323122   <<    B331133131323131133132233133313231313231333132322331323233231223   >>      B331133131323131133132233133313231313231333132322331323233231222   >>