B33113313132313113313223313331323132313331313232233132112323132211   >>    B3311331313231311331322331333132313231333131323223313211232313221   <<    B33113313132313113313223313331323132313331313232233132112323132213   >>      B33113313132313113313223313331323132313331313232233132112323132212   >>