C1111121111331311211331333133313331333133313221211113313331333132322133311211   >>    C111112111133131121133133313331333133313331322121111331333133313232213331121   <<    C1111121111331311211331333133313331333133313221211113313331333132322133311213   >>      C1111121111331311211331333133313331333133313221211113313331333132322133311212   >>