function trip([x1,y1,x2,y2,x3,y3]) {

    [x1, y1, x2, y2, x3, y3] = [x1, y1, x2, y2, x3, y3].map(Number);

    let dist12 = Math.sqrt((x1 - x2) * (x1 - x2) + (y1 - y2) * (y1 - y2));
    let dist23 = Math.sqrt((x2 - x3) * (x2 - x3) + (y2 - y3) * (y2 - y3));
    let dist13 = Math.sqrt((x1 - x3) * (x1 - x3) + (y1 - y3) * (y1 - y3));

    // console.log(dist12);
    // console.log(dist23);
    // console.log(dist13);
    // console.log(dist12+dist13+dist23);

    if (Math.min(dist12, dist23) > Math.min(dist12, dist13)) {
        console.log("2->1->3: " + (Math.min(dist12, dist23) + Math.min(dist12, dist13)));
    }
    else if (Math.min(dist12, dist23) == Math.min(dist12, dist13)) {
        console.log("1->2->3: " + (Math.min(dist12, dist23) + Math.min(dist12, dist13)));
    }
    else if (Math.min(dist12, dist23) < Math.min(dist12, dist13)) {
        console.log("1->3->2: " + (Math.min(dist12, dist23) + Math.min(dist12, dist13)));
    }


}
trip([0, 0, 2, 0, 4, 0]);
trip([5, 1, 1, 1, 5, 4]);
trip([-1, -2, 3.5, 0, 0, 2]);