C111112111133131121133133313331333133313121111331322121111331333133321321   >>    C11111211113313112113313331333133313331312111133132212111133133313332132   <<    C111112111133131121133133313331333133313121111331322121111331333133321323   >>      C111112111133131121133133313331333133313121111331322121111331333133321322   >>