C3123121111113313121111331333133313331211113313331333133313113322331321   >>    C312312111111331312111133133313331333121111331333133313331311332233132   <<    C3123121111113313121111331333133313331211113313331333133313113322331323   >>      C3123121111113313121111331333133313331211113313331333133313113322331322   >>