18a43b contains 1a01a11a1a01a11a21a31a41a51a61a71a81a91aa1ab1ac1ad1ae1af21a31a41a51a61a71a81a91aa1ab1ac1ad1ae1af1a contains a30a31a32a33a34a35a36a37a38a39a3a30a31a32a33a34a35a36a37a38a39a3aa3ba3ca3da3ea3faa3ba3ca3da3ea3fa3 contains 1301311313013113213313413513613713813913a13b13c13d13e13f213313413513613713813913a13b13c13d13e13f13
contains 1a01a11a1a01a11a21a31a41a51a61a71a81a91aa1ab1ac1ad1ae1af21a31a41a51a61a71a81a91aa1ab1ac1ad1ae1af1a
contains a30a31a32a33a34a35a36a37a38a39a3a30a31a32a33a34a35a36a37a38a39a3aa3ba3ca3da3ea3faa3ba3ca3da3ea3fa3
contains 1301311313013113213313413513613713813913a13b13c13d13e13f213313413513613713813913a13b13c13d13e13f13