B33113313132313113313223313331323132313331313232233132312121121131   >>    B3311331313231311331322331333132313231333131323223313231212112113   <<    B33113313132313113313223313331323132313331313232233132312121121133   >>      B33113313132313113313223313331323132313331313232233132312121121132   >>