Charango Chord Chart and Tabs in Original Tuning

Si#+7b9, Si#7♯5b9, Si#7+5b9
Notes: Si♯, Rex, Fax♯, La♯, Do♯
3,0,4,4,0 (1.23.)
3,0,0,4,4 (1..23)
6,0,6,7,4 (2.341)
6,0,4,7,6 (2.143)