To further explain the difference between input numbers 33 and 34 vs 69 and 70.
When the Input card is connected to the MASTER card J3 the inputs are numbered from 0 to 35 ( 36 inputs)
When the Input card is connected to the MASTER card 4 the inputs are numbered from 36 to 71 ( 36 inputs)
See this image that the wires from the Gear Handler go to input 69 and 70 on the Input Card #2