Hand trace a queue X through the following operations:

X.add(new Integer(7));

X.add(new Integer(1));

Integer Y = X.remove();

X.add(new Integer(4));

X.add(new Integer(2));

X.add(newInteger(3));

X.add(new Integer(6));

Integer Y = X.remove();

X.add(new Integer(3));

X.add(new Integer(9));

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(Draw a visual representation of queueX after these statements have executed)