.size11 {
  width: 200px;
  height: 200px;
}
.size12 {
  width: 200px;
  height: 400px;
}
.size13 {
  width: 200px;
  height: 600px;
}
.size21 {
  width: 400px;
  height: 200px;
}
.size22 {
  width: 400px;
  height: 400px;
}
.size23 {
  width: 400px;
  height: 600px;
}
.size31 {
  width: 600px;
  height: 200px;
}
.size32 {
  width: 600px;
  height: 400px;
}
.size33 {
  width: 600px;
  height: 600px;
}