B3311331313231311331322331333132313231323132313133313231333131232322123221
>>
B331133131323131133132233133313231323132313231313331323133313123232212322
<<
B3311331313231311331322331333132313231323132313133313231333131232322123223
>>
B3311331313231311331322331333132313231323132313133313231333131232322123222
>>