Description of fast matrix multiplication algorithm: 〈27×27×28:10384〉 Algorithm type 4648⁢X3⁢Y3⁢Z3+552⁢X3⁢Y2⁢Z3+1254⁢X3⁢Y3⁢Z+313⁢X3⁢Y2⁢Z2+853⁢X2⁢Y3⁢Z2+301⁢X2⁢Y2⁢Z3+75⁢X3⁢Y2⁢Z+12⁢X3⁢Y⁢Z2+75⁢X2⁢Y3⁢Z+496⁢X2⁢Y2⁢Z2+24⁢X2⁢Y⁢Z3+118⁢X2⁢Y2⁢Z+29⁢X2⁢Y⁢Z2+24⁢X⁢Y3⁢Z+13⁢X⁢Y2⁢Z2+1329⁢X⁢Y⁢Z3+2⁢X2⁢Y⁢Z+28⁢X⁢Y2⁢Z+127⁢X⁢Y⁢Z2+111⁢X⁢Y⁢Z4648X3Y3Z3