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Scala, 99 bytes s=>{val x=s+s.reverse s(0)+"\n"+x.tail.init.zipWithIndex.map{case(c,i)=>c+" "*i+c+"\n"}.mkString+x} Try it in Scastie!
Answer
#1: Initial revision
by
user
·
2021-03-19T20:23:59Z (over 3 years ago)
# Scala, 99 bytes
```scala
s=>{val x=s+s.reverse
s(0)+"\n"+x.tail.init.zipWithIndex.map{case(c,i)=>c+" "*i+c+"\n"}.mkString+x}
```
[Try it in Scastie!](https://scastie.scala-lang.org/OuwwnzMcSAa9IhRYJBZKrg)