0.0   30.0
    1.0   30.0
    0.0   30.0
    0.0   31.0
    0.0   32.0
    0.0   33.0
    1.0   34.0
    0.0   35.0
    0.0   35.0
    1.0   35.0
    1.0   36.0
    0.0   37.0
    0.0   38.0
    1.0   39.0
    0.0   40.0
    1.0   40.0
    1.0   40.0
    0.0   41.0
    1.0   42.0
    1.0   43.0
    1.0   44.0
    0.0   45.0
    1.0   45.0
    1.0   45.0
    0.0   46.0
    1.0   47.0
    1.0   48.0
    0.0   49.0
    1.0   50.0
    1.0   50.0