> 100
> 11
> 1
> 10 + 1 = 11
> 
> 12
> 1
> 11 + 1 = 12
> 
> 13
> 1
> 12 + 1 = 13
> 
> 14
> 2
> 12 + 2 = 14
> 13 + 1 = 14
> 
> 15
> 1
> 14 + 1 = 15
> 
> 16
> 2
> 13 + 3 = 16
> 15 + 1 = 16
> 
> 17
> 1
> 16 + 1 = 17
> 
> 18
> 2
> 14 + 4 = 18
> 17 + 1 = 18
> 
> 19
> 1
> 18 + 1 = 19
> 
> 20
> 3
> 15 + 5 = 20
> 19 + 1 = 20
> 20 + 0 = 20
> 
> 21
> 0
> 
> 22
> 3
> 16 + 6 = 22
> 20 + 2 = 22
> 21 + 1 = 22
> 
> 23
> 1
> 21 + 2 = 23
> 
> 24
> 2
> 17 + 7 = 24
> 22 + 2 = 24
> 
> 25
> 1
> 23 + 2 = 25
> 
> 26
> 3
> 18 + 8 = 26
> 23 + 3 = 26
> 24 + 2 = 26
> 
> 27
> 1
> 25 + 2 = 27
> 
> 28
> 3
> 19 + 9 = 28
> 24 + 4 = 28
> 26 + 2 = 28
> 
> 29
> 1
> 27 + 2 = 29
> 
> 30
> 3
> 25 + 5 = 30
> 28 + 2 = 30
> 30 + 0 = 30
> 
> 31
> 1
> 29 + 2 = 31
> 
> 32
> 2
> 26 + 6 = 32
> 31 + 1 = 32
> 
> 33
> 1
> 30 + 3 = 33
> 
> 34
> 3
> 27 + 7 = 34
> 31 + 3 = 34
> 32 + 2 = 34
> 
> 35
> 1
> 32 + 3 = 35
> 
> 36
> 2
> 28 + 8 = 36
> 33 + 3 = 36
> 
> 37
> 1
> 34 + 3 = 37
> 
> 38
> 3
> 29 + 9 = 38
> 34 + 4 = 38
> 35 + 3 = 38
> 
> 39
> 1
> 36 + 3 = 39
> 
> 40
> 3
> 35 + 5 = 40
> 37 + 3 = 40
> 40 + 0 = 40
> 
> 41
> 1
> 38 + 3 = 41
> 
> 42
> 3
> 36 + 6 = 42
> 39 + 3 = 42
> 41 + 1 = 42
> 
> 302
> 5
> 251 + 51 = 302
> 275 + 27 = 302
> 276 + 26 = 302
> 281 + 21 = 302
> 301 + 01 = 302
> 
> 1000000000
> 13
> 905000000 + 95000000 = 1000000000
> 909050000 + 90950000 = 1000000000
> 909090500 + 90909500 = 1000000000
> 909090905 + 90909095 = 1000000000
> 909090910 + 90909090 = 1000000000
> 909090950 + 90909050 = 1000000000
> 909091000 + 90909000 = 1000000000
> 909095000 + 90905000 = 1000000000
> 909100000 + 90900000 = 1000000000
> 909500000 + 90500000 = 1000000000
> 910000000 + 90000000 = 1000000000
> 950000000 + 50000000 = 1000000000
> 1000000000 + 000000000 = 1000000000
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