16!/14!*3!=14!*15*16/14!*1*2*3=40
28!/4!*26!=26!*27*28/4!*26!=27*28/1*2*3*4=31,5
45!/43!*3!=43!*44*45/43!*3!=44*45/1*2*3=22*15=330
16!/14!*3!=14!*15*16/14!*1*2*3=40
28!/4!*26!=26!*27*28/4!*26!=27*28/1*2*3*4=31,5
45!/43!*3!=43!*44*45/43!*3!=44*45/1*2*3=22*15=330