C31321211111333132331211113313331333133313331333133313233223131   >>    C3132121111133313233121111331333133313331333133313331323322313   <<    C31321211111333132331211113313331333133313331333133313233223133   >>      C31321211111333132331211113313331333133313331333133313233223132   >>