Please reason step by step, and put your final answer within \boxed{}.
During the first spring, Lola’s 10 breeding rabbits had 10 times as many kittens as the number of breeding rabbits Lola has. Half of the kittens got adopted, but 5 of them had to be returned to Lola due to re-homing problems. In the second spring, her 10 breeding rabbits had a total of 60 kittens, with 40% of the kittens being adopted. However, 10 of those adopted kittens were returned a few weeks later. In the third spring, the number of breeding rabbits increased to 12 as some previous kittens became adults, and they had 8 kittens each. This time, only 30% of the kittens got adopted and 3 returned back to Lola. In the fourth spring, the breeding rabbit population remained the same, but they had 6 kittens each with only 20% being successfully adopted and 2 being returned.

Including the breeding rabbits, how many rabbits does Lola have in her house after the fourth spring?
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