C313212111113331323312111133133313331333133313331333133313331333221231231   >>    C31321211111333132331211113313331333133313331333133313331333133322123123   <<    C313212111113331323312111133133313331333133313331333133313331333221231233   >>      C313212111113331323312111133133313331333133313331333133313331333221231232   >>