B3311331313231311331322331333132333132313133112323132313331333132313231121221
>>
B331133131323131133132233133313233313231313311232313231333133313231323112122
<<
B3311331313231311331322331333132333132313133112323132313331333132313231121223
>>
B3311331313231311331322331333132333132313133112323132313331333132313231121222
>>