8---- 9---- 6---- 4---- 8---- 9---- 6---- 4---- 8--fff f dg 9--dddddfsp 6 - o sssssssd 4 s-o sssss ii 8 u-o fff f dg 9--dddddfsp 6 - o sssssssd 4 s-o s s s dd 8 s-s hhhhj j 9 h-fghhhhl l 6 j-fgh hfd s 4 p-fghhhhh kl 8zx - lllll lz 9 - lzzzzzxllj 6 j -hlllll ll 4hgf-hlllll kl 8---- 9---- 6---- 4---- 8--fff f dg 9--dddddfsp 6 - o sssssssd 4 s-o sssss ii 8 u-o fff f dg 9--dddddfsp 6 - o sssssssd 4 s-o s s s dd 8 s-s hhhhj j 9 h-fghhhhl l 6 j-fgh hfd s 4 p-fghhhhh kl 8zx - lllll lz 9 - lzzzzzxllj 6 j -hlllll ll 4hgf-hlllll kl 8---- 9---- 6---- 4---- 8---- 9---- 6---- 4