C111112111133131121133133313331333133313331322121111331333133313331323133111211   >>    C11111211113313112113313331333133313331333132212111133133313331333132313311121   <<    C111112111133131121133133313331333133313331322121111331333133313331323133111213   >>      C111112111133131121133133313331333133313331322121111331333133313331323133111212   >>