C132233133112121111331333133313331312121111133313331311331121311   >>    C13223313311212111133133313331333131212111113331333131133112131   <<    C132233133112121111331333133313331312121111133313331311331121313   >>      C132233133112121111331333133313331312121111133313331311331121312   >>