B33113313132313113313223313331323133313231313232233132313331323221211111311   >>    B3311331313231311331322331333132313331323131323223313231333132322121111131   <<    B33113313132313113313223313331323133313231313232233132313331323221211111313   >>      B33113313132313113313223313331323133313231313232233132313331323221211111312   >>