B3311331313231311331322331333132313233313233313113313132313331323223313221131
>>
B331133131323131133132233133313231323331323331311331313231333132322331322113
<<
B3311331313231311331322331333132313233313233313113313132313331323223313221133
>>
B3311331313231311331322331333132313233313233313113313132313331323223313221132
>>