ib4sf7 hb4sf gb4s fb4sf7 eb4sf

tk3sf sk3s rk3sf7 qk3sf pk3s

4t2s 3t2sf7 2t2sf 1t2s 0t2sf7

f31sf7 e31sf d31s c31sf7 b31sf

qc1sf pc1s oc1sf7 nc1sf mc1s