C31321211111333132331211113313331333133313331333133313233111211   >>    C3132121111133313233121111331333133313331333133313331323311121   <<    C31321211111333132331211113313331333133313331333133313233111213   >>      C31321211111333132331211113313331333133313331333133313233111212   >>