Examples
{{Skill range|0 0 0 0}}at target
{{Skill range|1 0 0 2}}1 square(s) in front of target
{{Skill range|-2 0 0 1}}2 square(s) behind target
{{Skill range|1 0 1 0}}0 square(s) diagonally, 1 square(s) in front of target
{{Skill range|-2 1 0 0}}1 square(s) horizontally, 0 square(s) vertically, 2 square(s) behind target