Pi code CCI & TURTLE

Hi,

Please give script for below strategy:

CCI 20 (100, -100) and Donchian Channel 20 are used.

Buy when middle line of donchian channel is crossed from below
Exit buy when CCI 20 drops below 100

Sell when middle line of donchian channel is crossed from above
Exit sell when CCI 20 goes above -100

Thanks in advance.

The Turtle Channel strategy code is already available in the Expert Advisor Page, check this Link

Please give code… thanks