C222133313331333131123313231333133313331311111211113313332313331322331211   >>    C22213331333133313112331323133313331333131111121111331333231333132233121   <<    C222133313331333131123313231333133313331311111211113313332313331322331213   >>      C222133313331333131123313231333133313331311111211113313332313331322331212   >>