C132233133112121111331333133313331312121111133313331333112331313122311   >>    C13223313311212111133133313331333131212111113331333133311233131312231   <<    C132233133112121111331333133313331312121111133313331333112331313122313   >>      C132233133112121111331333133313331312121111133313331333112331313122312   >>