C132233133112121111331333133313331333132332121211113313233122311   >>    C13223313311212111133133313331333133313233212121111331323312231   <<    C132233133112121111331333133313331333132332121211113313233122313   >>      C132233133112121111331333133313331333132332121211113313233122312   >>