2 to 3 = 1 space
3 to 10 = 7 spaces
10 to 12 = 2 spaces
12 to 13 = 1 space
13 to 20 = 7 spaces
u seeing a pattern here...difference between numbers goes : 1,7,2,1,7,2,..
20 to 22 = 2 spaces
22 to 23 = 1 space
23 to 30 = 7 spaces
30 to 32 = 2 spaces
so ur number pattern is looking like this : 2,3,10,12,13,20,22,23,30,32