B331133131323131133132233133313231313231333132322331323132313231231211   >>    B33113313132313113313223313331323131323133313232233132313231323123121   <<    B331133131323131133132233133313231313231333132322331323132313231231213   >>      B331133131323131133132233133313231313231333132322331323132313231231212   >>