B331133131323131133132233133313231333132313132322331323132313232223221   >>    B33113313132313113313223313331323133313231313232233132313231323222322   <<    B331133131323131133132233133313231333132313132322331323132313232223223   >>      B331133131323131133132233133313231333132313132322331323132313232223222   >>