Who can tell me how to get to Song Cheng by bus in Hangzhou Building and how long it will take?

the first scheme (about 2 stops) takes bus No.24 at Hangzhou Tower (Huancheng North Road) to Baziqiao (Tianmushan Road)/Qingfeng Village (east of Jiaogong Road)/Xixi Campus of Zhejiang University (Tianmushan Road) and then transfers to Song Cheng (Zhijiang Road).

The second scheme (about 3 stops) is at Hangzhou Tower (Huancheng North Road). Transfer to Sightseeing Line 8 to Song Cheng (Zhijiang Road)

The third scheme (about 32 stops) takes No.26/No.55 (inner ring)/No.56 (outer ring) at Hangzhou Building (Huancheng North Road) and transfers to Wulin Little Square for Sightseeing Line 8 to Song Cheng (Zhijiang Road)

The fourth scheme (about 37 stops) is at Hangzhou Building (Huancheng North Road). Transfer to Bus Company and take Tour Line 5 /Y5/ Tour Line 5 /Y5 (interval) to Song Cheng (Zhijiang Road)

The fifth scheme (about 37 stops) takes Bus No.55 (inner ring)/Bus No.56 (outer ring) at Hangzhou Building (Huancheng North Road) and transfers to Zhanongkou New Village and takes Tour Line 5 /Y5/ Tour Line 5 /Y5 (interval).