The sum of the clock faces is equal to1+2+3+...+10+12 = 78, so the selected numbers add up to 39, and there is no regulation on how to select several numbers and how to combine them. For example, if you choose four numbers, they add up to 39. Choose five numbers to add up to 39, for example,12.1.10.5.1. There are 27 options. There are 46 kinds of six numbers; 7 species, 27 species; Eight and three kinds. By the way, if it is correct, 3+27+46+27+3= 106 species. Does the landlord need to list them one by one?