insert 1 30 40 blacksburg1
insert 2 30 40 blacksburg2
insert 3 30 40 blacksburg3
insert 4 30 40 blacksburg4
insert 5 30 40 blacksburg5
insert 6 30 40 blacksburg6
insert 7 30 40 blacksburg7
print
remove 1
print 1
print
remove 10
print 10
remove 20
print 20
print
insert 9 100 90 blacksburg9
print 9
print