C111112111133131121133133313331333132313113313331333132313331322121111211   >>    C11111211113313112113313331333133313231311331333133313231333132212111121   <<    C111112111133131121133133313331333132313113313331333132313331322121111213   >>      C111112111133131121133133313331333132313113313331333132313331322121111212   >>