B33113313132313113313223313331323131323133313232233132313111323221211   >>    B3311331313231311331322331333132313132313331323223313231311132322121   <<    B33113313132313113313223313331323131323133313232233132313111323221213   >>      B33113313132313113313223313331323131323133313232233132313111323221212   >>