
Solution
1.B*4

if 2.S7c, 3.P3f
1.B*4
if 2.S7c, 3.P3f
1.R*1a 2.Gx1a 3.Bx1a+ 4.Kx1a 5.+R1c 6.G*1b 7.G*2b
1.G*2c 2.Kx2c 3.B3d+
1.P3c+
if 2.Bx3c, 3.Rx4c+(or N4e). if 2.Nx3c, 3.P*3d(or P*4e)
1.P*8d
if 2.Px8d, 3.P*8e
1.R2a+ 2.Kx2a 3.B3a+ 4.Kx3a 5.N4b+ 6.K2a 7.+N3b 8.K1b 9.+N2b
1.N*1c 2.Lx1c 3.S*1b 4.Kx1b 5.N*2d 6.Gx2d 7.G*2b
1.P*6c
if 2.Sx6c, 3.P5c+
1.B*9g
if 2.R8b, 3.Bx6d
1.N*2c 2.Gx2c 3.+L2a 4.Kx2a 5.+Rx2c 6.G*2b 7.G*3b