At the place where the arrow points in the image fold in colored paper PINK->BLUE->WHITE->BLACK->YELLOW->PINK->BLUE->WHITE in that order to complete the puzzle in 8 steps only instead of 9 steps.

At the place where the arrow points in the image fold in colored paper BLUE->PINK->YELLOW->BLUE->WHITE->BLACK->YELLOW->PINK->BLACK->BLUE in that order to complete the puzzle in 10 steps only instead of 11 steps

1. At the place where the arrow points in the
   image fold in colored paper BLACK->BLUE->PINK
   in that order.
   
   
   
   
   
   
   
   
   
   
   
2. Then at another place where the arrow points in the
   image fold in colored paper PINK->BLACK->PINK->YELLOW->BLUE->PINK->BLACK->YELLOW->BLUE->WHITE->PINK in that order to complete the puzzle in 14 steps only instead of 16 steps.

At the place where the arrow points in the image fold in colored paper PINK->BLUE->WHITE->BLACK->PINK->YELLOW->BLUE->WHITE->BLACK->PINK->BLUE->YELLOW->PINK->WHITE->BLACK->BLUE->YELLOW->PINK in that order to complete the puzzle in 18 steps only instead of 19 steps