C3123223313331322121111331333133313331333121211113313331233132332313321   >>    C312322331333132212111133133313331333133312121111331333123313233231332   <<    C3123223313331322121111331333133313331333121211113313331233132332313323   >>      C3123223313331322121111331333133313331333121211113313331233132332313322   >>