Solution
1.B7a+ 2.Gx7a 3.S*6c 4.K6a 5.Bx7a+ 6.Kx7a 7.G*7b
1.B7a+ 2.Gx7a 3.S*6c 4.K6a 5.Bx7a+ 6.Kx7a 7.G*7b
1.S2a 2.K1a 3.S1b+ 4.Kx1b 5.+B2a
1.N1b+ 2.Lx1b 3.P*2b 4.K1a 5.+R3a
1.Bx1c+ 2.Kx1c 3.L*1d 4.K2c 5.N*1e
1.R*2b 2.K1c 3.N*2e 4.Nx2e 5.R1b+ 6.Kx1b 7.+B2b
1.N*3c 2.Sx3c 3.R1a+ 4.Kx1a 5.L*1c 6.K2b 7.L1b+
1.S1d 2.K2d 3.R2b+ 4.Kx1e 5.+R2e
1.N1a+ 2.Kx1a 3.L*1c 4.K2a 5.L1b+
1.N*2e 2.K1b 3.N*2d 4.Px2d 5.N1c+ 6.Kx1c 7.+B3a 8.K2c 9.+B2b
1.G*2b 2.Kx2b 3.B*3a 4.K1b 5.+R4b