B3311331313231311331322331333132313233313231333131133133313112232331
>>
B331133131323131133132233133313231323331323133313113313331311223233
<<
B3311331313231311331322331333132313233313231333131133133313112232333
>>
B3311331313231311331322331333132313233313231333131133133313112232332
>>