92r27s 82r27 72r2 62r27s 52r27
kcr27 jcr2 icr27s hcr27 gcr2
vlq2 ulq27s tlq27 slq2 rlq27s
6up27s 5up27 4up2 3up27s 2up27
h4o27 g4o2 f4o27s e4o27 d4o2