C222133313331333131123313231333133313331333132331211111333132322212231   >>    C22213331333133313112331323133313331333133313233121111133313232221223   <<    C222133313331333131123313231333133313331333132331211111333132322212233   >>      C222133313331333131123313231333133313331333132331211111333132322212232   >>