C313212111113331323312111133133313331333133313331333133313331331121111122331221   >>    C31321211111333132331211113313331333133313331333133313331333133112111112233122   <<    C313212111113331323312111133133313331333133313331333133313331331121111122331223   >>      C313212111113331323312111133133313331333133313331333133313331331121111122331222   >>