C222133313331333131123313231333133313331333132331211111122313221   >>    C22213331333133313112331323133313331333133313233121111112231322   <<    C222133313331333131123313231333133313331333132331211111122313223   >>      C222133313331333131123313231333133313331333132331211111122313222   >>