Ascher Databook Notes:
  1. By spacing, there are 2 groups of 9 and 10 pendants respectively.
  2. All values are restricted to 2-5.
  3. In each of the groups:

    P5 = P6
    P1 = P2 = P3 = P4 = P8 = 4
    \[ \sum\limits_{i=1}^{9} P_{i} = 32 \]