B3311331313231311331322331333132313331322331323133313331323331312121311
>>
B331133131323131133132233133313231333132233132313331333132333131212131
<<
B3311331313231311331322331333132313331322331323133313331323331312121313
>>
B3311331313231311331322331333132313331322331323133313331323331312121312
>>