B3311331313231311331322331333132313331322331323133313331312323211111
>>
B331133131323131133132233133313231333132233132313331333131232321111
<<
B3311331313231311331322331333132313331322331323133313331312323211113
>>
B3311331313231311331322331333132313331322331323133313331312323211112
>>