B33113313132313113313223313331323133313223313231333133313232212121322331   >>    B3311331313231311331322331333132313331322331323133313331323221212132233   <<    B33113313132313113313223313331323133313223313231333133313232212121322333   >>      B33113313132313113313223313331323133313223313231333133313232212121322332   >>