C31321211111333132331211113313331333133313331333133313331333133112211311   >>    C3132121111133313233121111331333133313331333133313331333133313311221131   <<    C31321211111333132331211113313331333133313331333133313331333133112211313   >>      C31321211111333132331211113313331333133313331333133313331333133112211312   >>