public class MTreeNode {
    private int id;
    private java.util.List<Integer> seq;
    private java.util.List<MTreeNode> children = new java.util.ArrayList<MTreeNode>();
    public MTreeNode(int id, java.util.List<Integer> seq) {
        this.id = id;
        this.seq = seq;
    }
    public java.util.List<Integer> getSeq() {
        return this.seq;
    }
    public java.util.List<MTreeNode> getChildren() {
        return this.children;
    }
    public String toString() {
        return this.id+": "+this.seq.toString();
    }
}