function split(array) {
    function partition(array, mask) {
        let a = [], b = [], i = array.length;
        while (--i >= 0) {
            if ((mask >> i) & 1) a.push(array[i]);
            else b.push(array[i]);
        }
        return [a, b];
    }
    function diffar(array, mask) {
        let d = 0, i = array.length;
        while (--i >= 0) {
            if ((mask >> i) & 1) d += array[i];
            else d -= array[i];
        }
        return d
    }
    let len = array.length;
    let min = Infinity, result;

    let i = 2 ** (len - 1)

    while (--i >= 0) {
        let diff = Math.abs(diffar(array, i))
        if (diff < min) {
            result = partition(array, i);
            if (diff === 0) return result;
            min = diff;
        }
    }

    return result;
}

const result = solve([0,1,2,2,2,3,4,7,10,40,54,60,120,12,6,6,6,18,80,20,30,40,50,60,70,80,90,100])