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The check matrix of a [15,9,6]₇.

100001210044020
010002100140204
001001001202044
000100012120440
000010121004402
000001111111111

The weight distribution:

A'₀= 1, A'₇= 90, A'₉= 1260, A'₁₀= 5418, A'₁₁= 13230, A'₁₂= 18270, A'₁₃= 42210, A'₁₄= 24570, A'₁₅= 12600.

A₀= 1, A₆= 3780, A₇= 9630, A₈= 100170, A₉= 423360, A₁₀= 1547910, A₁₁= 4193910, A₁₂= 8445150, A₁₃= 11634210, A₁₄= 10000530, A₁₅= 3994956.

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