1. sudo vim .imwheelrc

2. paste below text

".*"

None,      Up,  Button4, 5

None,      Down, Button5, 5

Control_L, Up,  Control_L|Button4

Control_L, Down, Control_L|Button5

Shift_L,  Up,  Shift_L|Button4

Shift_L,  Down, Shift_L|Button5

None,  Thumb1,  Alt_L|Left

None,  Thumb2,  Alt_L|Right