B3311331313231311331322331333132313231323331333131333133313232213133221
>>
B331133131323131133132233133313231323132333133313133313331323221313322
<<
B3311331313231311331322331333132313231323331333131333133313232213133223
>>
B3311331313231311331322331333132313231323331333131333133313232213133222
>>