C3123121111113313121111331333133313223313331333133313331311331333132211321   >>    C312312111111331312111133133313331322331333133313331333131133133313221132   <<    C3123121111113313121111331333133313223313331333133313331311331333132211323   >>      C3123121111113313121111331333133313223313331333133313331311331333132211322   >>