18, 12, 12, 13

VKTMBlocksAuthorCoauthor(s)/NotesDateInverse 
181212131.530 Bluskov Coauthor(s): Sidorenko
ex 1546
inverse of 18,6,5,5 from LJCR
12/01/2025 18,06,05,05 Download FREE
181212131.546 Already known design, view notes Inverse 18,06,05,05
Author: Jan de Heer and Steve Muir
Source: https://www.dmgordon.org/cover/
04/01/2022 18,06,05,05 Download FREE