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 @color: blue;
 
 something @{color}, world {
         color: blue;
 }
 
 .div {
         @color: red;
         (3434) {
                 height: 100px;
         }
 
         cool @{color} {
                 height: 4000px;
         }
 }
 
 .heck(@a) { color: @a+10 }
 
 .spanX (@index) when (@index > 0) {
         .span@{index} { .heck(@index) }
         .spanX(@index - 1);
 }
 .spanX (0) {}
 
 .spanX (5);