B3311331313231311331322331333132313233313233313111333132313331323131331123311
>>
B331133131323131133132233133313231323331323331311133313231333132313133112331
<<
B3311331313231311331322331333132313233313233313111333132313331323131331123313
>>
B3311331313231311331322331333132313233313233313111333132313331323131331123312
>>