B3311331313231311331322331333131133133313111333133313331323133313332213131
>>
B331133131323131133132233133313113313331311133313331333132313331333221313
<<
B3311331313231311331322331333131133133313111333133313331323133313332213133
>>
B3311331313231311331322331333131133133313111333133313331323133313332213132
>>