v0.1.1
Steps: 0
The maximum length for any rule and effect is 20 characters.
The only allowed input characters are ABCDEFGHIMXY0123456789+-=<>&|! and spaces.
X and Y represent the X and Y position of your cell, from 0 to 9. If your X or Y go above 9 they will loop back to 0, and if they go below 0 they will loop back to 9.
The letters A-I represent the spaces around your current cell, from left to right and top to bottom. This means that E is the value of your current cell.
M represents 9,007,199,254,740,991, the max safe integer for JS. Since it's impossible to count beyond that any system that number tries to do so will never halt.