B33113313132313113313223313331323133313223313231333133313232233231211   >>    B3311331313231311331322331333132313331322331323133313331323223323121   <<    B33113313132313113313223313331323133313223313231333133313232233231213   >>      B33113313132313113313223313331323133313223313231333133313232233231212   >>