edge rules of cupric selenide vs potassium pyrophosphate trihydrate

cupric selenide potassium pyrophosphate trihydrate | edge rules

cupric selenide | {1->2} potassium pyrophosphate trihydrate | {5->6, 6->7, 6->8, 6->9, 9->10, 10->11, 10->12, 10->13, 14->17, 14->18, 15->19, 15->20, 16->21, 16->22}