C111123313121111121111331333133313331323221211113311222333231211   >>    C11112331312111112111133133313331333132322121111331122233323121   <<    C111123313121111121111331333133313331323221211113311222333231213   >>      C111123313121111121111331333133313331323221211113311222333231212   >>