D = 12, tau_e = 1.2; columns: true E|Z_K|, whole-law V_D, split over all edge atoms (exact shifts), chord split (edge jump law replaced by its two-point chord law; proof-shaped)
x=0.8499 y=1.19 w=0.055            true 0.79670  V_D 0.85400  split 0.85400  chord 0.85400
x=0.8499 y=0.99 w=0.055            true 0.79596  V_D 0.85276  split 0.85276  chord 0.85276
x=0.8499 y=0.84 w=0.055            true 0.79409  V_D 0.85235  split 0.85235  chord 0.85235
x=0.8499 y=1.54 w=0.10             true 0.77536  V_D 0.85883  split 0.79685  chord 0.79685
x=0.75 y=1.54 w=0.055              true 0.80814  V_D 0.85770  split 0.82318  chord 0.82318
x=0.70 y=1.19 w=0.055              true 0.78554  V_D 0.85195  split 0.85195  chord 0.85195
x=0.60 y=0.99 w=0.04               true 0.80615  V_D 0.84863  split 0.84863  chord 0.84863
x=0.50 y=1.54 w=0.04               true 0.79453  V_D 0.85653  split 0.84244  chord 0.84244
0.79 d1.414 + 0.21 G               true 0.78891  V_D 0.83992  split 0.79899  chord 0.80054
0.79 d1.54 + 0.21 d-0.84           true 0.74385  V_D 0.82317  split 0.74393  chord 0.74393
0.79 d1.30 + 0.11 d-1.54 + 0.10 d0.84 true 0.82230  V_D 0.84532  split 0.82239  chord 0.82256
delta_sqrt(2/3)                    true 0.81983  V_D 0.82468  split 0.82468  chord 0.82468
Gaussian                           true 0.79788  V_D 0.85607  split 0.85607  chord 0.85607
