C132233133112121111331333133313331333132322331333133313333233233313331312121   >>    C13223313311212111133133313331333133313232233133313331333323323331333131212   <<    C132233133112121111331333133313331333132322331333133313333233233313331312123   >>      C132233133112121111331333133313331333132322331333133313333233233313331312122   >>