C132233133112121111331333133313331312121111133313331121131211211   >>    C13223313311212111133133313331333131212111113331333112113121121   <<    C132233133112121111331333133313331312121111133313331121131211213   >>      C132233133112121111331333133313331312121111133313331121131211212   >>