Interference with Ws2812b LED strips when multiple control wires are in one cable?

Hi, I have a small project where I control 2 LED strips separately with 2 ESP32 C3. I transmit the control line for each strip using a CAT-7 cable approximately 10 m long. I use a level converter for amplification. If I route the control lines over 2 individual cables, everything works perfectly. However, to…