Solution
1.+R2d 2.Kx2d 3.B*3c 4.K1d 5.N*2f
1.+R2d 2.Kx2d 3.B*3c 4.K1d 5.N*2f
1.R1b+ 2.Kx1b 3.G*1c
1.S*4a
2.R4b 3.Sx3b+ 4.Rx3b 5.Rx2c+
B*7a
double attack.
1.R2c+ 2.P*2b 3.G*3b
1.R3a+ 2.Kx3a 3.R4a+
S*4c
P*2d
there is no way for White to prevent P2c+.
1.R3b+ 2.K1b 3.G*2c
1.S*1a 2.Kx1a 3.+R3a