C413

There were twelve pairs of ribs, a total of twenty-four.

Top to bottom are the first rib, second rib, third rib... Up to the twelfth rib.

The first ten ribs were all hard ribs. The eleventh and twelfth ribs were soft ribs, also known as the quarter ribs. They were half-loose cartilage and were very sensitive to pain.

Yang Fann had grabbed Wang Kun's weak point