g(t) = 2t-1 on Delta_1 (odd under t -> 1-t)
   sqrt(M_2k/M_2k-2), k = 1..20: 1.000000 1.414214 1.581139 1.673320 1.732296 1.773536 1.804135 1.827812 1.846711 1.862160 1.875030 1.885918 1.895246 1.903324 1.910386 1.916608 1.922130 1.927062 1.931491 1.935489   [29s]
g(t1,t2) = t2-t1-1/3 on Delta_2 (even, orthogonal to 1)
   sqrt(M_2k/M_2k-2), k = 1..20: 0.816497 1.516575 1.861676 1.999216 2.053446 2.076647 2.087544 2.093112 2.096170 2.097959 2.099065 2.099785 2.100273 2.100619 2.100872 2.101063 2.101211 2.101328 2.101423 2.101501   [62s]
