B33113313132313113313223313331323133313223322331323221333112111   >>    B3311331313231311331322331333132313331322332233132322133311211   <<    B33113313132313113313223313331323133313223322331323221333112113   >>      B33113313132313113313223313331323133313223322331323221333112112   >>