@Override
    public boolean put(final int pos, final Phi object) {
        System.out.printf("%d.put(%d, %d)...\n", this.hashCode(), pos, object.hashCode());
        final boolean ret = this.origin.put(pos, object);
        System.out.printf("%d.put(%d, %d)!\n", this.hashCode(), pos, object.hashCode());