g {
  fill-opacity: 0.7;
  stroke: black;
  stroke-width: 0.01cm;
}

.c1s {
  fill: yellow;
}

.c2s {
  fill: blue;
}

.c3s {
  fill: green;
}

.covers {
  fill: gray;
}

.couts {
  fill: blue;
}