C31321211111333132331211113313331333133313331333133313331333132213231321   >>    C3132121111133313233121111331333133313331333133313331333133313221323132   <<    C31321211111333132331211113313331333133313331333133313331333132213231323   >>      C31321211111333132331211113313331333133313331333133313331333132213231322   >>