B33113313132313113313223313331323133313223313231333133313232212322221   >>    B3311331313231311331322331333132313331322331323133313331323221232222   <<    B33113313132313113313223313331323133313223313231333133313232212322223   >>      B33113313132313113313223313331323133313223313231333133313232212322222   >>