ihnpww hhnpw ghnp fhnpww ehnpw
tqmpw sqmp rqmpww qqmpw pqmp
4zlp 3zlpww 2zlpw 1zlp 0zlpww
f9kpww e9kpw d9kp c9kpww b9kpw
qikpw pikp oikpww nikpw mikp