R b 8

R b 8R b 8R b 8R b 8
R b 8R b 8R b 8R b 8R b 8R b 8R b 8R b 8
R b 8R b 8R b 8R b 8R b 8R b 8R b 8R b 8R b 8R b 8R b 8R b 8
R b 8R b 8R b 8R b 8R b 8R b 8R b 8R b 8R b 8R b 8R b 8R b 8R b 8R b 8R b 8R b 8
R b 8R b 8R b 8R b 8R b 8R b 8R b 8R b 8