B3311331313231311331322331333132313233313231333131133133313231323221223321
>>
B331133131323131133132233133313231323331323133313113313331323132322122332
<<
B3311331313231311331322331333132313233313231333131133133313231323221223323
>>
B3311331313231311331322331333132313233313231333131133133313231323221223322
>>