B33113313132313113313223313331323331323331323122113313232331111   >>    B3311331313231311331322331333132333132333132312211331323233111   <<    B33113313132313113313223313331323331323331323122113313232331113   >>      B33113313132313113313223313331323331323331323122113313232331112   >>