C13223313311212111133133313331333132322132322121111331322331313232211211   >>    C1322331331121211113313331333133313232213232212111133132233131323221121   <<    C13223313311212111133133313331333132322132322121111331322331313232211213   >>      C13223313311212111133133313331333132322132322121111331322331313232211212   >>