Peel the papaya and rinse under running water, remove the seeds and shred the flesh with a grater and set aside. In the mortar and pestle add the garlic, chilies and beans, pound for just a minute. The add the papaya, dried shrimp, fish sauce, lime juice, palm sugar, tamarind water and tomatoes. Gently pound using a large spoon to mix as you pound until the palm sugar has melted. Put the ingredients on a serving plate then add the roasted peanuts on the top. Serve with cabbage wedges and sliced cucumber on the side.