...
	Sb2-1	Sb2-2
Sb2-3	Sb2-4	Sb2-5
Sb2-6	Sb2-7	Sb2-8
Sb2-9	Sb2-10	Sb2-11
Sb2-12	Sb2-13	Sb2-14
Sb2-15	Sb2-16	Sb2-17
Sb2-18	Sb2-19	Sb2-20
Sb2-21	Sb2-22	Sb2-23
Sb2-24	Sb2-25	Sb2-26
Sb2-27	Sb2-28	Sb2-29
Sb2-30	Sb2-31	Sb2-32
		...
Sb2-33	Sb2-34