C313212111113331323312111133133313331333133313331333133313331331121111123312331   >>    C31321211111333132331211113313331333133313331333133313331333133112111112331233   <<    C313212111113331323312111133133313331333133313331333133313331331121111123312333   >>      C313212111113331323312111133133313331333133313331333133313331331121111123312332   >>