/**
 * @param {number} sum
 * @return {number[][]}
 */
var findContinuousSequence= function(target) {
    let list = [];
    let left = 1;
    let right = 1;
    let sum = 0;
    while(left < target / 2){
        if(sum < target) {
            sum += right;
            right ++;
        }else if(sum > target) {
            sum -= left;
            left ++;
        }else {
            let arr = [];
            // console.log(left, right);
            for(let i = left; i < right; i ++){
                arr.push(i);
            }
            list.push(arr);
            sum -= left;
            left++;
        }
    }
    return list;
};