B3311331313231311331322331333132313331323131323223313231333132313233123231
>>
B331133131323131133132233133313231333132313132322331323133313231323312323
<<
B3311331313231311331322331333132313331323131323223313231333132313233123233
>>
B3311331313231311331322331333132313331323131323223313231333132313233123232
>>