B3311331313231311331322331333132313331322331323133313331323221211111211331311
>>
B331133131323131133132233133313231333132233132313331333132322121111121133131
<<
B3311331313231311331322331333132313331322331323133313331323221211111211331313
>>
B3311331313231311331322331333132313331322331323133313331323221211111211331312
>>