a   b   i  x          y          a_type b_type i_type x_type y_type
pan pan 1  0.34679014 0.72680286 string string int    float  float
eks pan 2  0.75867996 0.52215111 string string int    float  float
wye wye 3  0.20460331 0.33831853 string string int    float  float
eks wye 4  0.38139939 0.13418874 string string int    float  float
wye pan 5  0.57328892 0.86362447 string string int    float  float
zee pan 6  0.52712616 0.49322129 string string int    float  float
eks zee 7  0.61178406 0.18788492 string string int    float  float
zee wye 8  0.59855401 0.97618139 string string int    float  float
hat wye 9  0.03144188 0.74955076 string string int    float  float
pan wye 10 0.50262601 0.95261836 string string int    float  float
