难难难，自留地。
329：01,02,07,10,13,15,16,21,22,24,29,30,31,37,38,40,43,46,47,49,（共20个）
328：01,02,07,10,13,15,16,21,22,24,29,30,31,38,39,40,43,47,48,49,（共20个）兔03 ×
327：02,03,06,07,09,15,16,18,19,20,21,27,28,29,30,33,38,42,43,45,（共20个）蛇37 ×
326：01,02,06,08,11,13,15,16,20,24,25,26,33,35,37,39,42,44,48,49,（共20个）猪19 ×
325：07,08,09,12,16,19,21,23,25,28,32,34,35,36,37,43,44,45,46,47,（共20个）虎04 ×
324：04,06,09,11,12,13,18,20,21,24,30,31,33,36,40,42,45,47,48,49,（共20个）兔15 ×
323：01,02,03,10,11,12,13,17,22,25,26,29,30,34,35,37,38,46,47,49,（共20个）鸡09 ×
322：04,07,08,09,16,18,19,21,22,27,28,30,31,34,35,39,40,43,44,45,（共20个）羊47 ×
321：04,08,09,14,16,18,19,23,26,27,28,31,32,35,38,39,40,44,45,47,（共20个）羊23 √
320：01,02,04,08,12,13,16,17,20,21,26,28,29,30,37,38,40,44,48,49,（共20个）虎28 √