Used by the routine at NEW_GAME.

The panel down the left of the screen: two uprights in character columns 1 and 4, from the top row to the bottom, joined along the bottom row, in bright magenta. The eleven things the knight carries are drawn between them, a picture two characters square each, one above the other (PICK_UP_THING). The five pieces are the characters at PANEL_CHARS, in this order: 0 the top of an upright, 1 an upright, 2 the bottom left corner, 3 the bar, 4 the bottom right corner -- so the foot is printed 2, 3, 3, 4. Called once a game, by NEW_GAME.