C1111121111331311211331333133313331333133313221211113313332113121   >>    C111112111133131121133133313331333133313331322121111331333211312   <<    C1111121111331311211331333133313331333133313221211113313332113123   >>      C1111121111331311211331333133313331333133313221211113313332113122   >>