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function sort(arr){
arr.sort((a,b)=>Math.abs(a-2)-Math.abs(b-2));
arr=[arr[1],arr[0],arr[2]];
return arr;
}
var testcases=[
[2.3, 5.2, 1.2],
[1.1, 2.3, 0.3],
[1.3, 0.3, 2],
[2.2, 2.3, 2.1]];
console.log(...testcases.map(el=>[el,sort(el)]));
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