C222133313331333131123313231333133313331333133313331333131133133313231333231211   >>    C22213331333133313112331323133313331333133313331333133313113313331323133323121   <<    C222133313331333131123313231333133313331333133313331333131133133313231333231213   >>      C222133313331333131123313231333133313331333133313331333131133133313231333231212   >>