B33113313132313113313223313331323131323133313232233132313331323123222211   >>    B3311331313231311331322331333132313132313331323223313231333132312322221   <<    B33113313132313113313223313331323131323133313232233132313331323123222213   >>      B33113313132313113313223313331323131323133313232233132313331323123222212   >>