B3311331313231311331322331333132313331323232233133313331311211312111133223231   >>    B331133131323131133132233133313231333132323223313331333131121131211113322323   <<    B3311331313231311331322331333132313331323232233133313331311211312111133223233   >>      B3311331313231311331322331333132313331323232233133313331311211312111133223232   >>