Most optimal paths to all numbers
27:10,10,5,1,1
54:50,5,-1
81: 100,-10,-10,1
108: 100,10,-1,-1
135: 100,50,-10,-5
162:100,50,10,1,1
189: 100,100,-10,-1
216: 100,100,10,5,1
243: 100,100,50,-5,-1,-1 (most likely one faster)
270: 100,100,50,10,10
sorry about spoilers for the 1-10. Then I'll give you one for you to solve without any help: 27*102.33333333...