the captive queen

Solution

(a) The weight is sent down; the empty basket comes up.

(b) The son goes down; the weight comes up.

(c) The weight is taken out; the daughter goes down; the son up.

(d) The son gets out; the weight goes down; the empty basket up.

(e) The queen goes down; daughter and weight come up;
daughter gets out.

(f) The weight goes down; empty basket up.

(g) Son goes down; weight comes up.

(h) Daughter removes weight, and goes down;
son comes up.

(i) Son sends down weight; empty basket comes up.

(j) The son goes down; weight comes up.

(k) Son gets out; the weight falls to the ground.