# permutation(1)
###### tags: `遞增 想法二`

index = 1
path = [1,2]

i = 3
1. path = [1,2,3]
2. [permutation(2)](/A29IJUU9Rf6PTQt29FpnXQ)
3. path = [1,2]

**output : 1234 1235 1236**

i = 4
1. path = [1,2,4]
2. [permutation(2)](/MHgbO8THQv2iDj7WNOTcWw)
3. path = [1,2]

**output : 1234 1235 1236 1245 1246**

i = 5
1. path = [1,2,5]
2. [permutation(2)](/6Fi3OG_ASqmg14NSM2p2MA)
3. path = [1,2]

**output : 1234 1235 1236 1245 1246 1256**

i = 6
1. path = [1,2,6]
2. [permutation(2)](/IUzgZWqkRqGcAC3J7DrRqQ)
3. path = [1,2]

**output : 1234 1235 1236 1245 1246 1256**

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