#1: open
#2: open
#3: closed
#4: open
#5: open
#6: closed
#7: open
#8: open
#9: open
#10: open
#11: closed
#12: closed
#13: open
#14: open
#15: closed
#16: open
#17: open
#18: open
#19: open
#20: closed
#21: closed