MID POINT
16219 stone man midpoint palette
16232 gyro man midpoint paddle
16244 83 (activating effect 03 in sub-palette 4)

2f182-2f184 mid point de stone man 110C04 (11 screen 0c scroll 04 graphic load) (this last 04 can be 00 if you don't want to change graphics)
2f188-2f18a mid point of gyro man 0F0806


2f185 boss point de stone 201305 (20 screen 13 scroll 05 graphic load)
2f18b boss point de gyro 1A0E06 (1A screen 0E scroll 06 graphic load)

from here it is easy to look for other palettes because they are very close to these codes