C313212111113331323312111133133313331333133313331333133313331333133112213331321   >>    C31321211111333132331211113313331333133313331333133313331333133313311221333132   <<    C313212111113331323312111133133313331333133313331333133313331333133112213331323   >>      C313212111113331323312111133133313331333133313331333133313331333133112213331322   >>