20, 12, 12, 13

VKTMBlocksAuthorCoauthor(s)/NotesDateInverse 
2012121311.240 Bluskov Coauthor(s): Sidorenko
ex 11292
inverse of 20,8,7,7 from LJCR
13/01/2025 20,08,07,07 Download FREE
2012121311.292 Already known design, view notes Inverse 20,08,07,07
Author: A. West
Source: https://www.dmgordon.org/cover/
04/01/2022 20,08,07,07 Download FREE