int getX(bool isfront,int options,int val){
	switch (options) {
	case 0:return (val-1)/n;
	case 1:if(isfront)return (val-1)%n;else return (n-1)-(val-1)%n;
	case 2:return (n-1)-(val-1)/n;
	case 3:if(isfront)return (n-1)-(val-1)%n;else return (val-1)%n;
	}
}
int getY(bool isfront,int options,int val){
	switch (options) {
	case 0:if(isfront)return (val-1)%n;else return (n-1)-(val-1)%n;
	case 1:return (n-1)-(val-1)/n;
	case 2:if(isfront)return  (n-1)-(val-1)%n;else return (val-1)%n;
	case 3:return (val-1)/n;
	}
}