Number thought of 4 x 3 = 12 / 2 = 6 x 3 = 18 / 2 = 9.
Here we have one 9, which represents 4, the number thought of.
Number thought of 7 x 3 = 21 + 1 = 22 / 2 = 11 x 3 = 33 + 1 = 34 / 2 =
17. From which is obtainable only one 9, which represents 4, to which
you add 1 for the first addition of 1, and 2 for the second addition,
making a total of 7, the number thought of.
Number thought of,
11
x 3
----
33
+ 1 note 1
----
/ 2 34
17
x 3
----
51
+ 1 note 2
/ 2 52
----
26 two 9's = 8 = 11