B33113313132313113313223313331323133313231333132333131323132322331322221   >>    B3311331313231311331322331333132313331323133313233313132313232233132222   <<    B33113313132313113313223313331323133313231333132333131323132322331322223   >>      B33113313132313113313223313331323133313231333132333131323132322331322222   >>