3.1      1      1      1
    7.5      1      1      2
    2.5      1      2      1
    5.1      1      2      2
    3.8      2      1      1
    8.1      2      1      2
    2.8      2      2      1
    5.3      2      2      2
    3.0      3      1      1
    7.6      3      1      2
    2.0      3      2      1
    4.9      3      2      2
    3.4      4      1      1
    7.8      4      1      2
    2.7      4      2      1
    5.5      4      2      2
    3.3      5      1      1
    6.9      5      1      2
    2.5      5      2      1
    5.4      5      2      2
    3.6      6      1      1
    7.8      6      1      2
    2.4      6      2      1
    4.8      6      2      2