B331133131323131133132233133313231313231333132322331323223322221   >>    B33113313132313113313223313331323131323133313232233132322332222   <<    B331133131323131133132233133313231313231333132322331323223322223   >>      B331133131323131133132233133313231313231333132322331323223322222   >>