C313212111113331323312111133133313331333133313331333133313331333131121133223321   >>    C31321211111333132331211113313331333133313331333133313331333133313112113322332   <<    C313212111113331323312111133133313331333133313331333133313331333131121133223323   >>      C313212111113331323312111133133313331333133313331333133313331333131121133223322   >>