C111112111133131121133133313331333132313113313331133132213111211   >>    C11111211113313112113313331333133313231311331333113313221311121   <<    C111112111133131121133133313331333132313113313331133132213111213   >>      C111112111133131121133133313331333132313113313331133132213111212   >>