77t2 67t2nd 57t2n 47t2 37t2nd
iht2nd hht2n ght2 fht2nd eht2n
tqs2n sqs2 rqs2nd qqs2n pqs2
4zr2 3zr2nd 2zr2n 1zr2 0zr2nd
f9q2nd e9q2n d9q2 c9q2nd b9q2n