On the Subject of Blank Card

A great magician would do this without a manual.

• This module contains a clear button on the top, a canvas on the left, and a card on the right.
• Draw the card using the canvas to disarm the module.

Determining the Card

However, the card is face down and it will not allow you to turn it face up. Fortunately, this card comes from a marked deck. Find the circle that has a line through it and use its properties to determine what the card is.

Spade	Heart	Club	Diamond

Drawing the Card

To draw the card, create 4 lines forming a square on the canvas. To draw a line, click one of the white dots and drag it over to another white dot. Depending how you draw the 4 lines will form the card.

Use the card on the module in one of the tables below to obtain the instructions on how to draw the 4 lines: a number tells you to start drawing a line at the corresponding white dot (numbered 1-4 in reading order on the module), and the proceeding arrow(s) tell you to draw the line(s) in the corresponding direction(s, in order, optionally all in one stroke) from the starting dot.

Note: when drawing a King, make sure to draw all of the lines in one stroke, otherwise never draw all of the lines in one stroke (even if possible).

	A	2	3	4	5	6
Spade	1⭢⭣⭠ 1⭣	1⭢⭣ 1⭣ 4⭠	1⭢⭣⭠ 3⭡	1⭢⭣ 1⭣⭢	1⭢ 4⭠⭡ 2⭣	1⭢ 3⭢⭡ 1⭣
Heart	3⭡⭢⭣ 4⭠	3⭡⭢ 3⭢ 2⭣	3⭡⭢⭣ 3⭢	3⭡⭢ 3⭢⭡	3⭡ 2⭣⭠ 2⭠	3⭡ 4⭡⭠ 4⭠
Club	2⭣⭠⭡ 2⭠	2⭣⭠ 2⭠⭣	2⭣⭠⭡ 1⭢	2⭣⭠ 1⭢ 3⭡	2⭣ 3⭡⭢ 4⭠	2⭣ 1⭣⭢ 2⭠
Diamond	4⭠⭡⭢ 2⭣	4⭠⭡ 4⭡⭠	4⭠⭡⭢ 4⭡	4⭠⭡ 2⭣ 1⭢	4⭠ 1⭢⭣ 1⭣	4⭠ 2⭠⭣ 2⭣

	7	8	9	10	J	Q
Spade	2⭠ 4⭠⭡ 4⭡	2⭠ 3⭢⭡ 3⭡	2⭠⭣ 2⭣⭠	2⭠⭣⭢ 2⭣	2⭠⭣ 2⭣ 3⭢	2⭠⭣⭢ 4⭡
Heart	1⭣ 2⭣⭠ 1⭢	1⭣ 4⭡⭠ 3⭢	1⭣⭢ 1⭢⭣	1⭣⭢⭡ 2⭠	1⭣⭢ 1⭢ 4⭡	1⭣⭢⭡ 1⭢
Club	4⭡ 3⭡⭢ 3⭢	4⭡ 1⭣⭢ 1⭢	4⭡⭠ 3⭢ 1⭣	4⭡⭠⭣ 4⭠	4⭡⭠ 4⭠⭡	4⭡⭠⭣ 3⭢
Diamond	3⭢ 1⭢⭣ 3⭡	3⭢ 2⭠⭣ 4⭡	3⭢⭡ 1⭣ 2⭠	3⭢⭡⭠ 1⭣	3⭢⭡ 3⭡⭢	3⭢⭡⭠ 3⭡

	K
Spade	1⭢⭣⭠⭡	1↻ (1CW)
Heart	1⭣⭢⭡⭠	1↺ (1CCW)
Club	2⭣⭠⭡⭢	2↻ (2CW)
Diamond	3⭢⭡⭠⭣	3↺ (3CCW)
	Both instructions have equivalent meaning