window.onload = function(){
var arr = ['1','2','3','4'];
var ss = [];
for(var i = 0; i < arr.length;i++){
for(j = 0; i < 4; i++){
ss.push(arr[i] + arr[(i+1)%4] + arr[(i+2)%4]); //123
ss.push(arr[i] + arr[(i+2)%4] + arr[(i+1)%4]); //132
ss.push(arr[i] + arr[(i+1)%4] + arr[(i+3)%4]); //124
ss.push(arr[i] + arr[(i+3)%4] + arr[(i+1)%4]); //142
ss.push(arr[i] + arr[(i+2)%4] + arr[(i+3)%4]); //134
ss.push(arr[i] + arr[(i+3)%4] + arr[(i+2)%4]); //134
}
}
document.body.innerHTML = ss.join(',');
alert(ss.length);
};
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