C31321211111333132331211113313331333133313331333133313331333132213331323113211   >>    C3132121111133313233121111331333133313331333133313331333133313221333132311321   <<    C31321211111333132331211113313331333133313331333133313331333132213331323113213   >>      C31321211111333132331211113313331333133313331333133313331333132213331323113212   >>