C1111233131211111211113313331333132213331311212111133132332233131   >>    C111123313121111121111331333133313221333131121211113313233223313   <<    C1111233131211111211113313331333132213331311212111133132332233133   >>      C1111233131211111211113313331333132213331311212111133132332233132   >>