C31232233133313221211113313331333133313331212111133133112312122311   >>    C3123223313331322121111331333133313331333121211113313311231212231   <<    C31232233133313221211113313331333133313331212111133133112312122313   >>      C31232233133313221211113313331333133313331212111133133112312122312   >>