02nr7r z2nr7 y2nr x2nr7r w2nr7
bcnr7 acnr 9bnr7r 8bnr7 7bnr
mlmr llmr7r klmr7 jlmr ilmr7r
xulr7r wulr7 vulr uulr7r tulr7
83kr7 73kr 63kr7r 53kr7 43kr