B3311331313231311331322331333132313233313231333131333133313232311231211
>>
B331133131323131133132233133313231323331323133313133313331323231123121
<<
B3311331313231311331322331333132313233313231333131333133313232311231213
>>
B3311331313231311331322331333132313233313231333131333133313232311231212
>>