1,287 Stedman Cinques

Robert M Kilby (No 5)
2314567890E  6  7  9 18 19
13579E24680        a
14236587E90        b
14236578           c
1432               s  -
4132            s         
4132658709E  2.s13.s15
3142         -           s
3124               s  -
2134         -           s
2143               s  -   
a = 5.s8.s11.14.s16.17.20 (20)
b = 1.2.s5.12.16.17.18 (18)
c = 2.3.12.13.s15