Banjo Chord Chart and Tabs in Open C Tuning

Si2, Siadd2, Siadd9
Notes: Si, Re♯, Fa♯, Do♯
x,11,11,9,8 (x3421)
x,8,11,9,11 (x1324)
11,11,x,9,8 (34x21)
11,8,x,9,11 (31x24)