246			246
Gb8-30		Gb1-18	Gb1-19		Ga1-24
248 = 8 * 31			248 = 8 * 31

	242			242
Gb8-30		Gb1-14	Gb1-15		Ga1-16
244 = 8 * 30.5			244 = 8 * 30.5

	238			238
Gb8-30		Gb1-10	Gb1-11		Ga1-8
240 = 8 * 30			240 = 8 * 30

	234			234
Gb8-30		Gb1-6	Gb1-7		Gb8-30
236 = 8 * 29.5			236 = 8 * 29.5

With Gb8-30 appearing as 16 * 29.5 = 472 (i.e., twice in the last table), the game seems to be finished - there are 4 ways to measure in the G text, by using 29.5. 30, 30.5, or 31.