Further information regarding Hollows & Rounds may be found here.

#2 Hollow/Round Pair
#3 Hollow/Round Pair
#4 Hollow/Round Pair
#5 Hollow/Round Pair
#6 Hollow/Round Pair
#7 Hollow/Round Pair
#8 Hollow/Round Pair
#9 Hollow/Round Pair
#10 Hollow/Round Pair
#11 Hollow/Round Pair
#12 Hollow/Round Pair
#13 Hollow/Round Pair
#14 Hollow/Round Pair
#16 Hollow/Round Pair
#18 Hollow/Round Pair
#1 Hollow/Round Pair
#15 Hollow/Round Pair
#17 Hollow/Round Pair