#define tank_width 16
#define tank_height 16
static char tank_bits[] = {
 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xc0,0x03,0xff,
 0x0f,0xe0,0x7f,0xfe,0x3f,0xfc,0x1f,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
 0x00,0x00};