lrvick

var subset_sum = function(items, target) {
    var perms = [], layer = 0, depth = 4, attempts = 0, sum, perm,
    ss = function(items) {
        var item = items.shift();
        for (i = 0; i < items.length; i++) {
            attempts = attempts + 1;
            if (attempts <= items.length * items.length) {
                if (layer === 0) {
                    perm = [items[0], items[i]];
                } else {