{
    "hints":  [
                  {
                      "text":  "Count the squares in Figure 1, Figure 2, and Figure 3. What number is added each time?",
                      "level":  1
                  },
                  {
                      "text":  "The pattern is: 2, 5, 8, ... Each figure adds 3 more squares.",
                      "level":  2
                  },
                  {
                      "text":  "Formula: squares = 3n - 1. Use it to solve for Figure 6, n when squares=29, and Figure 20.",
                      "level":  3
                  }
              ]
}