7b6b 6b6bxb 5b6bx 4b6b 3b6bxb
il5bxb hl5bx gl5b fl5bxb el5bx
tu4bx su4b ru4bxb qu4bx pu4b
433b 333bxb 233bx 133b 033bxb
fd3bxb ed3bx dd3b cd3bxb bd3bx