C3132121111133313233121111331333133313331333121211113313332321322131   >>    C313212111113331323312111133133313331333133312121111331333232132213   <<    C3132121111133313233121111331333133313331333121211113313332321322133   >>      C3132121111133313233121111331333133313331333121211113313332321322132   >>