C1111121111331311211331333133313331333133313221211111333133311211   >>    C111112111133131121133133313331333133313331322121111133313331121   <<    C1111121111331311211331333133313331333133313221211111333133311213   >>      C1111121111331311211331333133313331333133313221211111333133311212   >>