B331133131323131133132233133313231313231333132322331323221123313232223321   >>    B33113313132313113313223313331323131323133313232233132322112331323222332   <<    B331133131323131133132233133313231313231333132322331323221123313232223323   >>      B331133131323131133132233133313231313231333132322331323221123313232223322   >>