C132233133112121111331333133313331312121111133313331322133313221312121   >>    C13223313311212111133133313331333131212111113331333132213331322131212   <<    C132233133112121111331333133313331312121111133313331322133313221312123   >>      C132233133112121111331333133313331312121111133313331322133313221312122   >>