C222133313331333131123313231333133313331333132223133313332313221211   >>    C22213331333133313112331323133313331333133313222313331333231322121   <<    C222133313331333131123313231333133313331333132223133313332313221213   >>      C222133313331333131123313231333133313331333132223133313332313221212   >>