B33113313132313113313223313331323133313223313231333133313232222112112111   >>    B3311331313231311331322331333132313331322331323133313331323222211211211   <<    B33113313132313113313223313331323133313223313231333133313232222112112113   >>      B33113313132313113313223313331323133313223313231333133313232222112112112   >>