C222133313331333131123313231333133313331333132113313231333132313331323321231211   >>    C22213331333133313112331323133313331333133313211331323133313231333132332123121   <<    C222133313331333131123313231333133313331333132113313231333132313331323321231213   >>      C222133313331333131123313231333133313331333132113313231333132313331323321231212   >>