C313212111113331323312111133133313331333133313331333133112111133132232311   >>    C31321211111333132331211113313331333133313331333133313311211113313223231   <<    C313212111113331323312111133133313331333133313331333133112111133132232313   >>      C313212111113331323312111133133313331333133313331333133112111133132232312   >>