delta=0.15 k=2: min T* +0.10149 (a=0.8) pair spacings [0.915]
delta=0.15 k=4: min T* +0.11267 (a=0.9) pair spacings [0.936 0.946 0.936]
delta=0.15 k=6: min T* +0.14410 (a=0.9) pair spacings [0.941 0.958 0.964 0.958 0.941]
delta=0.15 k=8: min T* +0.17957 (a=0.9) pair spacings [0.944 0.962 0.97  0.972 0.97  0.962 0.944]
