30 	short		y1;  member
49 	short		y1;  member
63 	short	y1;  member
72 	short		y1;  member
101 	short		y1;  member
110 	short		y1;  member
166 	short		y1;  member
175 	short		y1;  member
184 	short		y1;  member
199 	short		y1;  member
208 	short		y1;  member