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On this page are all constructions for C4[ 216, 18 ]. See Glossary for some detail.

R_108( 56, 55) = PX( 54, 2) = KE_ 54( 1, 3, 2, 53, 1)

      = Curtain_ 54( 1, 27, 1, 2, 29) = PL(BC_54({ 0, 27 }, { 1, 28 }) = UG(ATD[216, 142])

      = UG(ATD[216, 146]) = ATD[ 6, 1]#ATD[ 54, 10] = ATD[ 18, 3]#ATD[ 54, 10]

      = ATD[ 54, 10]#ATD[ 54, 10] = UG(Rmap(432, 45) { 54, 4| 4}_108) = UG(Rmap(432,549) { 54, 4| 4}_ 54)

      = MG(Rmap(216, 22) { 4, 54| 4}_ 54) = DG(Rmap(216, 22) { 4, 54| 4}_ 54) = DG(Rmap(216, 23) { 54, 4| 4}_ 54)

      = MG(Rmap(216,209) { 4,108| 4}_108) = DG(Rmap(216,210) {108, 4| 4}_108) = DG(Rmap(108, 15) { 4, 27| 4}_ 54)

      = DG(Rmap(108, 79) { 4, 54| 4}_ 54) = PL(W( 54, 2)[ 4^ 54]) = BGCG(W( 54, 2); K1;4)

      = B(R_ 54( 29, 28)) = BGCG(R_ 54( 29, 28); K1;2) = AT[216, 2]