10 12
3 4 2 2 1 7 3 0 4 7
SUM 2 8
INC 8 0
INC 5 7
SUM 3 5
SUM 8 10
SUM 2 10
INC 9 3
SUM 1 2
SUM 8 9
INC 3 6
SUM 7 8
SUM 6 9