C3132121111133313233121111331333133313331333133313331333133313211232313232221   >>    C313212111113331323312111133133313331333133313331333133313331321123231323222   <<    C3132121111133313233121111331333133313331333133313331333133313211232313232223   >>      C3132121111133313233121111331333133313331333133313331333133313211232313232222   >>