B33113313132313113313223313331323133313223313231333133112111133121111332322221   >>    B3311331313231311331322331333132313331322331323133313311211113312111133232222   <<    B33113313132313113313223313331323133313223313231333133112111133121111332322223   >>      B33113313132313113313223313331323133313223313231333133112111133121111332322222   >>