P ms

P msP msP msP msP msP ms
P msP msP msP msP msP ms
P msP msP msP msP msP msP msP msP msP msP msP msP msP msP msP msP msP msP msP msP msP msP msP msP msP msP msP msP msP msP msP msP msP msP msP ms