ASU1        PU1         SA1        SN2         SN3      ....
    ASU1  1.00000000 -0.08873565  0.4788694  0.79259392 -0.1654758
    PU1  -0.08873565  1.00000000 -0.4931573 -0.05471757 -0.1555428
    SA1   0.47886939 -0.49315734  1.0000000  0.19230769  0.7777138
    SN2   0.79259392 -0.05471757  0.1923077  1.00000000  0.3592106
    SN3  -0.16547585 -0.15554275  0.7777138  0.35921060  1.0000000
    .....