GLASGOW With 1/3 SNP-to-Green switch Starting numbers SNP 55,683 Lab 73,031 Grn 40,129 Con 12,749 Round 1 ------- Grn 40,129 Lab 14,606 Con 12,749 SNP 9,280 GREEN WIN Round 2 ------- Grn 20,064 Lab 14,606 Con 12,749 SNP 9,280 GREEN WIN Round 3 ------- Lab 14,606 Grn 13,376 Con 12,749 LAB WIN Round 4 ------- Grn 13,376 Con 12,749 Lab 12,172 GREEN WIN Round 5 ------- Con 12,749 Lab 12,172 Green 10,032 CON WIN Round 6 ------- LAB WIN Round 7 ------- GREEN WIN