C222133313331333131123313231333133313331333132332111133131211111322132323213221   >>    C22213331333133313112331323133313331333133313233211113313121111132213232321322   <<    C222133313331333131123313231333133313331333132332111133131211111322132323213223   >>      C222133313331333131123313231333133313331333132332111133131211111322132323213222   >>