0 3510000 SIL
3510000 5630000 nong2
5630000 11350000 min2
11350000 12500000 SIL
12500000 14620000 gai4
14620000 16550000 qi2
16550000 16880000 SIL
16880000 23580000 chang3
23580000 29190000 SIL