C3123223313331322121111331333133313331333121211111122112313233311   >>    C312322331333132212111133133313331333133312121111112211231323331   <<    C3123223313331322121111331333133313331333121211111122112313233313   >>      C3123223313331322121111331333133313331333121211111122112313233312   >>