C3132121111133313233121111331333133313331333133313331333133313331333121123221   >>    C313212111113331323312111133133313331333133313331333133313331333133312112322   <<    C3132121111133313233121111331333133313331333133313331333133313331333121123223   >>      C3132121111133313233121111331333133313331333133313331333133313331333121123222   >>