B3311331313231311331322331333132313331322121133133313331333132332123231323131
>>
B331133131323131133132233133313231333132212113313331333133313233212323132313
<<
B3311331313231311331322331333132313331322121133133313331333132332123231323133
>>
B3311331313231311331322331333132313331322121133133313331333132332123231323132
>>