Question 171441
Start with the given figure.



.......1 
.....2 - 3
...4 - 5 - 6
7 - 8 - 9 - 10




Bring the 1 all the way down




.....2 - 3
...4 - 5 - 6
7 - 8 - 9 - 10
.......1




Place the 10 2 steps up (right above the 6)




.....2 - 3 - 10
...4 - 5 - 6
7 - 8 - 9 
......1



Finally, place the 7 2 steps up (right above the 4)




7 - 2 - 3 - 10
..4 - 5 - 6
....8 - 9 
......1




Now the triangle is pointing in the opposite direction.