Transcription of 4 in a row sub - Primary Resources
1 4 in a row (subtraction) 20-8 10-4 6-3 20-4 10-2 20-17 20-13 10-9 20-7 20-15 12-6 8-4 20-3 10-5 20-19 10-3 20-6 14-7 20-10 20-11 20-18 10-10 18-9 20-1 10-1 20-5 10-6 20-16 10-7 20-9 16-8 20-20 20-12 10-8 20-14 20-2