Optimal third order SSP LMMs

steps	order	SSP coefficient	$\alpha_i$	$\beta_i$
$m$	$r$	$c$
4	3	$ \frac{1}{3}$	$ \frac{16}{27},0,0,\frac{11}{27}$	$\frac{16}{9},0,0,\frac{4}{9}$
5	3	$\frac{1}{2}$	$\frac{25}{32},0,0,0, \frac{7}{32}$	$\frac{25}{16},0,0,0,\frac{5}{16}$
6	3	0.5828	0.850708871672579,0,0,0,0.030664864534383,0.118626263793039	1.459638436015276,0,0,0,0.052614491749200,0.203537849338252
5	4	0.0212	0.048963857415019, 0, 0.008344481263315, 0.899467614699687	2.310657177904340, 0, 0.393785059937890, 2.039789323349077, 0
6	4	0.1648	0.342460855717007, 0, 0, 0.191798259434736, 0.093562124939008, 0.372178759909247	2.078553105578060, 0, 0, 1.164112222279710, 0.567871749748709, 0