The d8400 + d9072 + d28800 + d32400 + d50400 + 4d51840 configuration was constructed via induction by concatenating the d840 + d2880 + d3240 + d5040 + 4d5184 set (E. Harshbarger/B. Hearn) 10 times, then inducing the final d9072.

The final configuration is a bit too long to show here in entirety.