plan A
23rd pick you up from guilin airport according your flight ,transfer to guilin and stay guilin overnight.(use taxi)
24th after breakfast in the morning ,

about 2.5 hours drive to longji rice terrace 龍脊梯田 ,visit yao and zhuang village wooden buildings, to meet zhuang and yao people , walk along rice terrace and

stay in pingan zhuang village at night.龍脊一樓
 

25th in the morning , visit yao ladies long hair show in the yao village ,

then about 2.5 hours drive back to yangdi town,

by private bamboo boat (it will take about 2 hours ) on li river between yangdi to xingping 兴坪 ,it is the best part of li river 漓江.

visit xingping old town, after cruise  ,

it will take 30 to 40minutes drive to yangshuo.
26th visit dragon bridge ,hike along dragon river about 2 hours or 2.5 hour to jiuxian old village, after visit ,by mini bus or by taxi to moon hill .on the way ,to visit big banyan tree or dragon cave( about 10 minutes by boat and 40minutes by walk) is possible.lunch in the village .
27th visit fuli old town and liugong village or other small villages ,you could choose by bike or hike.lunch in the village .visit light show at night.
28th drive to guilin airport in the early morining.


plan B
23rd pick you up from guilin airport according your flight ,transfer to yangshuo and stay yangshuo.
24th by taxi or local bus to visit dragon bridge ,hike along dragon river about 2 hours or 2.5 hour to jiuxian old village,after visit ,by mini bus or by taxi to moon hill .on the way ,to visit big banyan tree or dragon cave( about 10 minutes by boat and 40minutes by walk) is possible.lunch in the village .
25th visit fuli old town (to know local people how to make fans and chinese paintings) and liugong village or other small villages ,you could choose by local bus or hike. lunch in the village .visit light show at night.
26th by taxi / mini bus to xingping old town ,by private bamboo boat (it will take about 2.5hours )on liriver between xingpingto yangdi ,it is the best part of liriver .after cruise,visit xingping old twon,then it will take 30 to 40minutes drive to yangshuo.lunch in xingping or yangshuo .
27th in the morning by bike to countryside .to visit rice paddies and farmers ,cows ,water buffalos ,crops.good landscapes lunch in the village . at the late afternoon for relaxing .shopping...
28th drive to guilin airport in the early morining.

i think plan A is good ,that is in short time ,you could see much more ,but you need pay more .
plan B is not bad even you will see less ,but it is more relaxing tour for you ,you will pay less than plan A .
if you have other good idea ,you could make it by yourself. anyway ,if you need any help ,i would like to help you .i am glad to do all for you.
regards
wan