delta=0.30 k=4: min T* +0.05517 (a=0.8) pair spacings [0.875 0.921 0.876]
delta=0.30 k=6: min T* +0.04456 (a=0.8) pair spacings [0.885 0.937 0.942 0.937 0.884]
delta=0.30 k=8: min T* +0.07260 (a=0.9) pair spacings [0.887 0.943 0.952 0.955 0.952 0.943 0.887]
