In ring Z/7 × F_9 × F_9, F_9 = F_3[t]/(t^2 + 1):
a ◇ b = ((4, 1), 1) a + ((1, t + 2), t + 2) b + ((0, 0), 0)
Product of 7981e2df4cc5c795ad295ab69f55b88db1cecb20c1d1ac4df4d7aa42b92757f1, 2925dc18176c3a094e546f32ddfbde1b795255106b00f6076737cdc6da05a538, and 2925dc18176c3a094e546f32ddfbde1b795255106b00f6076737cdc6da05a538
qawbecrdtey · 2026-08-27 19:15:02