black: [Ka5, Sc5]
stipulation: "h#3  duplex"
stipulation: "h#3"
options: 
  - Duplex
solution: |
  "1.Sb3 Se3 2.Kb4 Kb1 3.Ka3 Sc2#
  
  1.Bd3 Ka4 2.Ka1 Ka3 3.Bb1 Sb3#"