---

       # MATH introduce multiplication
[hear] (intro *);

[hear] (= 00 / * 00 00);

[hear] (= 00 / * 00 010);

[hear] (= 00 / * 00 0110);

[hear] (= 00 / * 00 01110);

[hear] (= 00 / * 010 00);

[hear] (= 010 / * 010 010);

[hear] (= 0110 / * 010 0110);

[hear] (= 01110 / * 010 01110);

[hear] (= 00 / * 0110 00);

[hear] (= 0110 / * 0110 010);

[hear] (= 011110 / * 0110 0110);

[hear] (= 01111110 / * 0110 01110);

[hear] (= 00 / * 01110 00);

[hear] (= 01110 / * 01110 010);

[hear] (= 01111110 / * 01110 0110);

[hear] (= 01111111110 / * 01110 01110);

[hear] (= 00 / * 00 010);

[hear] (= 01110 / * 01110 010);

[hear] (= 00 / * 0110 00);

[hear] (= 00 / * 00 01110);

[hear] (= 01110 / * 01110 010);

[hear] (= 0110 / * 010 0110);

[hear] (= 00 / * 00 00);

[hear] (= 00 / * 01110 00);

[hear] (= 00 / * 0110 00);

[hear] (= 00 / * 01110 00);