a   b   i  x          y          x_rsum     x_shift    x_delta     x_counter y_rsum     y_shift    y_delta     y_counter
pan pan 1  0.34679014 0.72680286 0.34679014 -          0           1         0.72680286 -          0           1
eks pan 2  0.75867996 0.52215111 0.75867996 -          0           1         0.52215111 -          0           1
wye wye 3  0.20460331 0.33831853 0.20460331 -          0           1         0.33831853 -          0           1
eks wye 4  0.38139939 0.13418874 1.14007936 0.75867996 -0.37728057 2         0.65633985 0.52215111 -0.38796237 2
wye pan 5  0.57328892 0.86362447 0.77789223 0.20460331 0.36868561  2         1.20194300 0.33831853 0.52530594  2
zee pan 6  0.52712616 0.49322129 0.52712616 -          0           1         0.49322129 -          0           1
eks zee 7  0.61178406 0.18788492 1.75186342 0.38139939 0.23038467  3         0.84422477 0.13418874 0.05369618  3
zee wye 8  0.59855401 0.97618139 1.12568017 0.52712616 0.07142785  2         1.46940267 0.49322129 0.48296010  2
hat wye 9  0.03144188 0.74955076 0.03144188 -          0           1         0.74955076 -          0           1
pan wye 10 0.50262601 0.95261836 0.84941615 0.34679014 0.15583586  2         1.67942122 0.72680286 0.22581550  2
