B33113313132313113313223313331323132313331313232233132313232222221   >>    B3311331313231311331322331333132313231333131323223313231323222222   <<    B33113313132313113313223313331323132313331313232233132313232222223   >>      B33113313132313113313223313331323132313331313232233132313232222222   >>