# [dc], <s>76</s> 70 bytes

    ?sa0dsbsc[lc4+sc]sh[lbZ+sc]so[lcdlb1+ddsb3%0=h5%0=hlc=olcla!=y]dsyxlbp

[Try it online!]

[dc]: https://www.gnu.org/software/bc/manual/dc-1.05/html_mono/dc.html
[Try it online!]: https://tio.run/nexus/dc#@29fnGiQUpxUnBydk2yiXZwcW5wRnZMUBWblA8VScpIMtVOAKoxVDWwzTEFETrJtfk5yTqKibWVsSnFlRU5Swf//xmbm5l/z8nWTE5MzUgE "dc – TIO Nexus"