C222133313331333131123313231333133313331333132332111133131211111322233121   >>    C22213331333133313112331323133313331333133313233211113313121111132223312   <<    C222133313331333131123313231333133313331333132332111133131211111322233123   >>      C222133313331333131123313231333133313331333132332111133131211111322233122   >>