Gateway Game Info
Sample Puzzle Patterns you can try to reach.

Standard Standard Vertical Vertical SpiralOut Spiral out SpiralIn Spiral in
EvenOdd1 EvenOdd1 EvenOdd2 EvenOdd2 EvenOdd3 EvenOdd3 EvenOdd4 EvenOdd4
Corners Corners Diagonal Diagonal Magic Square Magic Backwards Backwards