拉丁方阵

function Latinsquare(num){
	var list=[];
	for(var i = 0;i<num;i++){
	  var pre = 0;
	  if(i==0){
	    pre=num;
	  }else{
	    pre = i;
	  }
	  var nextt = 0;
	  if(i ==num-1){
	    nextt = 1;
	  }else{
	    nextt = i+2;
	  }
	  list.push({
	    prior:pre,
	    data:i+1,
	    next:nextt
	  })
	}
	for(var i = 0;i<num;i++){
	  var string=[];
	  var p = 1;
	  for(var j = 0;j<i;j++){
	    p = list[p-1].next;
	  }
	  for(var k = 0;k<num;k++){
	    string.push(list[p-1].data);
	    p = list[p-1].next;
	  }
	  console.log(string);
	}
}
Latinsquare(5);