C132233133112121111331333133313331312121111133313331321123122311   >>    C13223313311212111133133313331333131212111113331333132112312231   <<    C132233133112121111331333133313331312121111133313331321123122313   >>      C132233133112121111331333133313331312121111133313331321123122312   >>