C3132121111133313233121111331333133313331333133313331333133313331333121112131   >>    C313212111113331323312111133133313331333133313331333133313331333133312111213   <<    C3132121111133313233121111331333133313331333133313331333133313331333121112133   >>      C3132121111133313233121111331333133313331333133313331333133313331333121112132   >>