2b1b5 3b1b5h 4b1b 5b1b5 6b1b5h

r21b5h s21b t21b5 u21b5h v21b

gt2b ht2b5 it2b5h jt2b kt2b5

5j3b5 6j3b5h 7j3b 8j3b5 9j3b5h

ua4b5h va4b wa4b5 xa4b5h ya4b