C3132121111133313233121111331333133313331333133313331333133313331313232333121   >>    C313212111113331323312111133133313331333133313331333133313331333131323233312   <<    C3132121111133313233121111331333133313331333133313331333133313331313232333123   >>      C3132121111133313233121111331333133313331333133313331333133313331313232333122   >>