B33113313132313113313223313331323132313331313232233132333131322221   >>    B3311331313231311331322331333132313231333131323223313233313132222   <<    B33113313132313113313223313331323132313331313232233132333131322223   >>      B33113313132313113313223313331323132313331313232233132333131322222   >>