@Override public boolean equals(Object o) {
    if (this == o) {
      return true;
    }
    if (o == null || getClass() != o.getClass()) {
      return false;
    }
    Position that = (Position) o;
    return column == that.column && row == that.row;
  }
Representation of a point in the grid.
dividers/src/main/java/com/karumi/dividers/Position.java