Mind Cubes 21-25

Solution #21:
Blue - Straight line, shortest distance.

Red (from the bottom right) - Go all the way around the edge of the puzzle until hitting the green connector on the right face. Then just go left to connect.

Green, Yellow, and Red - go around the puzzle accordingly, wrapping around each other.

Solution #22:
Yellow (from the right) - L2, D1, L2.

Blue (from the bottom left) - R3, U1, R2, U3.

Green - Hug the blue path all the way around on the top.

Orange (from bottom) - L1, U1, L1, U4.

Red (from bottom right) - D2, L6, U1, L1, U6, R/D1.

Purple - Hug the red path on the top.

Solution #23:
Blue (from middle) - D4, L5.

Green (from middle) - D4, R5.

Purple (from left face) - R3, U2, R3, D2, R2.

Red - Hug the purple path on the top.

Orange - Hug the available path on the top of the black box.

Yellow - All the way up and around on the available gray spaces.

Solution #24:
Yellow (from the right face) - L7, U1.

Green (from right face) - L11 (to corner), up until blue connector, D/R6.

Red - This path will hug the perimeter of the black path.

Blue - This path will hug the outside of the puzzle on the upper right part of the cube.

Solution #25:
***Note - From the way that this cube looks, it is possible that there is more than one solution...but I haven't bothered with them.***
Purple & Orange - Shortest line possible.

Yellow (from left face) - L1, U5, D/R7, L1.

Green - This path will hug the yellow path to the bottom green connector.

Red (from left face) - U2, R6.

Blue - Follow the remaining grey spaces.