C1111121111331311211331333133313331323131133133313331122112323232131231211   >>    C111112111133131121133133313331333132313113313331333112211232323213123121   <<    C1111121111331311211331333133313331323131133133313331122112323232131231213   >>      C1111121111331311211331333133313331323131133133313331122112323232131231212   >>