Nonogram
4 1 0 9 5 9 3 8 1 2 7 2 4

Nonograms left button Nonograms left button - black Filled
Nonograms right button Nonograms right button - white Empty
Nonograms middle button Nonograms middle button - not specified Helping mark
Nonograms middle button Switch control mode to 3 button mouse
Click Switch control mode to Without 3 button mouse
Beautiful
Difficult