How to write the floral program of Ye Zihua?

The flower patterns of bougainvillea are P6- 15, A∞ and G∞. Writing method of flower pattern: each part of the flower is represented by a certain letter. Usually, K stands for corolla, C stands for corolla, A stands for stamen group, G stands for gynoecium group, and P stands for perianth. Each part of the flower is represented by a number, and 0 is used if it is missing. The flowers are symmetrical and radial, and the perianth is in two rounds, free, with three pieces in each round. Stamens in two rounds, three in each round, ovary with three carpels and three chambers.