C31321211111333132331211113313331333133313331333133313331333131133133112321111   >>    C3132121111133313233121111331333133313331333133313331333133313113313311232111   <<    C31321211111333132331211113313331333133313331333133313331333131133133112321113   >>      C31321211111333132331211113313331333133313331333133313331333131133133112321112   >>