((baaaaaaa|babbbaaababba|aabb)*|(abaaaaaa|ababbabbabaababbaaaaab|baaabbaa)*|(bababab|abb|bbbabba)*)*
((baaaaaaababbbaaaba|bbaa|abbabaaaa)*|(aaaba|bbabba|ba)*|(ababbaa|aaabbaaab|baabababababbbbbabba)*)*
