4k9t 3k9t2t 2k9t2 1k9t 0k9t2t
fu8t2t eu8t2 du8t cu8t2t bu8t2
q37t2 p37t o37t2t n37t2 m37t
1c7t 0c7t2t zc7t2 yc7t xc7t2t
cm6t2t bm6t2 am6t 9l6t2t 8l6t2