The equation of 9+4= 1 moving matches holds.
The equation of 8+5= 12 moving matches holds.
2+9= 18 The equation of moving matches holds. 2+8= 10.
8+ 1= 13 The equation of moving matches holds 6+7= 13.
6+ 1=8 The equation of moving matches holds 8+ 1=9.