B3311331313231311331322331333132313231333131323223313233313221323132313332311
>>
B331133131323131133132233133313231323133313132322331323331322132313231333231
<<
B3311331313231311331322331333132313231333131323223313233313221323132313332313
>>
B3311331313231311331322331333132313231333131323223313233313221323132313332312
>>