B3311331313231311331322331333132313233313233213331333132313231323321
>>
B331133131323131133132233133313231323331323321333133313231323132332
<<
B3311331313231311331322331333132313233313233213331333132313231323323
>>
B3311331313231311331322331333132313233313233213331333132313231323322
>>