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 1.10547011 0.34679014 0.41188982  2         1.24895397 0.72680286 -0.20465175 2
wye wye 3  0.20460331 0.33831853 1.31007341 0.75867996 -0.55407666 3         1.58727250 0.52215111 -0.18383258 3
eks wye 4  0.38139939 0.13418874 1.69147281 0.20460331 0.17679609  4         1.72146124 0.33831853 -0.20412978 4
wye pan 5  0.57328892 0.86362447 2.26476173 0.38139939 0.19188953  5         2.58508571 0.13418874 0.72943573  5
zee pan 6  0.52712616 0.49322129 2.79188789 0.57328892 -0.04616276 6         3.07830700 0.86362447 -0.37040318 6
eks zee 7  0.61178406 0.18788492 3.40367195 0.52712616 0.08465790  7         3.26619192 0.49322129 -0.30533637 7
zee wye 8  0.59855401 0.97618139 4.00222596 0.61178406 -0.01323005 8         4.24237330 0.18788492 0.78829647  8
hat wye 9  0.03144188 0.74955076 4.03366783 0.59855401 -0.56711213 9         4.99192406 0.97618139 -0.22663063 9
pan wye 10 0.50262601 0.95261836 4.53629384 0.03144188 0.47118413  10        5.94454242 0.74955076 0.20306760  10
