C31321211111333132331211113313331333133313331333133313311211111133132211   >>    C3132121111133313233121111331333133313331333133313331331121111113313221   <<    C31321211111333132331211113313331333133313331333133313311211111133132213   >>      C31321211111333132331211113313331333133313331333133313311211111133132212   >>