n6:=
[* 6,
    [ PowerStructure(Inc) |
        IncidenceStructure< {@ IntegerRing() | 1, 2, 3, 4 @} | KMatrixSpace(GF(2), 4, 4) ! [ GF(2) | 1, 1, 0, 0, 0, 1, 0, 1, 0, 0, 1, 1, 1, 0, 1, 0 ] 
        >,
        IncidenceStructure< {@ IntegerRing() | 1, 2, 3, 4 @} | KMatrixSpace(GF(2), 4, 4) ! [ GF(2) | 1, 0, 1, 0, 0, 1, 0, 1, 1, 0, 1, 0, 0, 1, 0, 1 ] >
    ],
    []
*]
;