C1111121111331311211331333133313231333132211312111133133313311211   >>    C111112111133131121133133313331323133313221131211113313331331121   <<    C1111121111331311211331333133313231333132211312111133133313311213   >>      C1111121111331311211331333133313231333132211312111133133313311212   >>