C31321211111333132331211113313331333133313121211113313223331212221   >>    C3132121111133313233121111331333133313331312121111331322333121222   <<    C31321211111333132331211113313331333133313121211113313223331212223   >>      C31321211111333132331211113313331333133313121211113313223331212222   >>