0 5530000 SIL
5530000 8480000 si4
8480000 12720000 wan4
12720000 13970000 SIL
13970000 16930000 si4
16930000 17590000 SIL
17590000 19940000 kuai4
19940000 20060000 SIL
20060000 23250000 si4
23250000 26245000 SIL