M+R2-1M+R-1M+R-2M+R-3M+R-4M+R-5M+R2-2M+R2-3M+R2-4M+R-6M+R2-5M+R-7M+R3-1M+R3-2M+R3-3M+R3-4M+R-8M+R2-6M+R2-7M+R-9