C222133313331333131123313231333133313331333132331211111133133313331322311331211   >>    C22213331333133313112331323133313331333133313233121111113313331333132231133121   <<    C222133313331333131123313231333133313331333132331211111133133313331322311331213   >>      C222133313331333131123313231333133313331333132331211111133133313331322311331212   >>