C132233133112121111331333133313331312121111133313331333131333233313231211   >>    C13223313311212111133133313331333131212111113331333133313133323331323121   <<    C132233133112121111331333133313331312121111133313331333131333233313231213   >>      C132233133112121111331333133313331312121111133313331333131333233313231212   >>