0vrtp1 zvrtp yvrt xvrtp1 wvrtp

b5qtp a5qt 94qtp1 84qtp 74qt

meqt leqtp1 keqtp jeqt ieqtp1

xnptp1 wnptp vnpt unptp1 tnptp

8wotp 7wot 6wotp1 5wotp 4wot