The pieces in hand are different for each position. Can you mate with these pieces in hand? (Source: 谷川流寄せの法則 第２章 詰む形、詰まない形の法則 第１１問) (Source: Koji Tanigawa's Laws of Endgame Section 2, problem 11)
Kōji Tanigawa's Laws of Endgame! (Advanced) Exercise #2.11: 22K+21N+11L+33P+14P vs 35N: 2 Golds In Hand5