78s8 68s8b7 58s8b 48s8 38s8b7
iis8b7 his8b gis8 fis8b7 eis8b
trr8b srr8 rrr8b7 qrr8b prr8
40q8 30q8b7 20q8b 10q8 00q8b7
faq8b7 eaq8b daq8 caq8b7 baq8b