vsir wsir1 xsir1s ysir zsir1
kjjr1 ljjr1s mjjr njjr1 ojjr1s
99jr1s aakr bakr1 cakr1s dakr
y0kr z0kr1 00kr1s 10kr 20kr1
nrlr1 orlr1s prlr qrlr1 rrlr1s