Problem #395

Prime Pandigital Step Numbers
Public 05/12/17 6xp Programming 64.7%

A step number is a number whose digits are in ascending order
For example : $ 1223455567 $ is a step number

A pandigital step number is a step number which contains all digits (except 0) at least once
For example : $ 1122345556777899 $ is a pandigital step number

Find the smallest $(S)$ and largest $(L)$ 30-digits prime pandigital step numbers

Answer format: S,L

Example: 111111111111223456789,123456777788888888899 // For 21 digts

[My timing: 65 sec]

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