##
Q
/ \
fish Q
/ \
cat Q
/ \
dog Q
/ \
cow Q
/ \
horse Q
/ \
sheep Q
/ \
wolf Q
/ \
frog Q
/ \
wolverine Q
/ \
seal Q
/ \
badger Q
/ \
walrus Q
/ \
ocelot Q
/ \
hamster Q
/ \
gerbil Q
/ \
platypus Q
/ \
unicorn Q
/ \
pegasus axolotl
##
##
__________Q__________
/ \
fish ____________________Q______________________
/ \
Q _________________________Q___________________________
/ \ / \
cat dog _________Q__________ _____________Q_______________
/ \ / \
____Q____ _____Q______ _____Q______ ______Q______
/ \ / \ / \ / \
Q Q Q Q Q Q Q Q
/ \ / \ / \ / \ / \ / \ / \ / \
cow horse sheep wolf frog wolverine seal badger walrus ocelot hamster gerbil platypus unicorn pegasus axolotl