18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 20 19
To do the sequencing I ordered my channels by columns: 1,2,3,55,56,57 and so on.
Then I used a 7x7 font and drew each character out over time.
The sign is driven by a SanDevices E681 which uses E1.31 and already had the protocol for talking to the G35s