11+4+6+9 = 30
4 +6+9+1 = 20
30 > 20
11+4+6+9 > 4 +6+9+1
16+5+4+5 = 30
16 + 15 + 4+5 = 40
30 < 40
16+5+4+5 < 16 + 15 + 4+5
7 +8 +2 +13 = 30
17 + 8 + 3 + 13 = 41
30 < 41
7 +8 +2 +13 < 17 + 8 + 3 + 13