a   b   i  x          y          z
eks pan 2  0.75867996 0.52215111 flag
wye pan 5  0.57328892 0.86362447 flag
zee pan 6  0.52712616 0.49322129 flag
eks zee 7  0.61178406 0.18788492 flag
zee wye 8  0.59855401 0.97618139 flag
pan wye 10 0.50262601 0.95261836 flag
