1 1 1 2 1 1 2 1 1 1 1 1 2 2 1 3 1 2 2 1 1 1 3 1 1 2 2 2 1

The first row has **one 1**, so the second row is **1 1**.

The second row has **two 1's**, so the third row is **2 1**.

The third row has **one 2 and one 1**, so the fourth row is **1 2 1 1**.

The fourth row has **1 one, one 2, and 2 1's**, so the fifth row is **1 1 1 2 2 1**.

The fifth row has **three 1's, two 2's, and one 1**, so the sixth row is **3 1 2 2 1 1**.

The sixth row has **one 3, one 1, two 2's, and two 1's**, so the seventh row is **1 3 1 1 2 2 2 1**.