B3311331313231311331322331333132313233313231333131333133313231323223312131
>>
B331133131323131133132233133313231323331323133313133313331323132322331213
<<
B3311331313231311331322331333132313233313231333131333133313231323223312133
>>
B3311331313231311331322331333132313233313231333131333133313231323223312132
>>