Like the Canaanite and Hezkiah‘sthey are in Jerusalem.
I count 6,and under that another layer,also with six. Same ahead on a third level. Then they all connect and lead out into the backyard of the messiah,you know,where he likes to tan in the nude.
There are many tunnels,I'm not sure the exact number. I believe this is what you are looking for,if not please clarify your question.