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On this page are all constructions for C4[ 144, 49 ]. See Glossary for some detail.

XI(Rmap( 72, 12) { 4, 18| 4}_ 18) = XI(Rmap( 72, 29) { 9, 8| 8}_ 36) = SDD(R_ 18( 11, 10))

      = BGCG(R_ 18( 11, 10); K2;3) = BGCG(R_ 36( 20, 19); K1;{4, 7}) = BGCG(R_ 36( 29, 10); K1;1)

      = BGCG(R_ 36( 11, 28); K1;2)