B33113313132313113313223313331323131323133313232233132311222331   >>    B3311331313231311331322331333132313132313331323223313231122233   <<    B33113313132313113313223313331323131323133313232233132311222333   >>      B33113313132313113313223313331323131323133313232233132311222332   >>