C222133313331333131123313231333133313331333132332111133131222121   >>    C22213331333133313112331323133313331333133313233211113313122212   <<    C222133313331333131123313231333133313331333132332111133131222123   >>      C222133313331333131123313231333133313331333132332111133131222122   >>