circleArray

function draw(length,start,circle,result=[]){
    circle = circle?circle:0;
    start = start?start:1;
    // length = length?length:start;
    // const width=num;
    //first item result[circle][circle]
    
    for(var i = 0; i<length ;i++ ){
        result[circle]?result:result[circle] = [];
        result[circle][circle + i] = start
        start++;
    }
    
    //[0,1,2,3,4,5]
    for(var i = 1; i<length ;i++ ){
        result[circle + i]?result:result[circle + i] = [];
        result[circle + i][circle + length -1] = start
        // result[circle][circle + i] = start
        start++;
    }
    
    for(var i = 1; i<length ;i++ ){
        // result[circle]?result:result[circle] = [];
        result[circle + length -1 ][circle + length - 1 -i] = start
        // result[circle][circle + i] = start
        start++;
    }
    
    for(var i = 0; i<length-2 ;i++ ){
        // result[circle]?result:result[circle] = [];
        result[length - 2 - i + circle][circle] = start
        // result[circle][circle + i] = start
        start++;
    }
    debugger
    if(length-2 <= 0 ){
       return result;
        // console.log('result:',result) ;
    }else {
        return draw(length-2,start,circle+1,result) 
    }
}

result = draw(5)