Guitar Chord Chart and Tabs in Brgndg Tuning

Co7, C°7, C dim7
Notes: C, E♭, G♭, B♭♭
x,10,11,9,11,x (x2314x)
x,10,x,9,11,11 (x2x134)
11,10,x,9,11,x (32x14x)