B3311331313231311331322331333132313331322331323133313331312323131111321
>>
B331133131323131133132233133313231333132233132313331333131232313111132
<<
B3311331313231311331322331333132313331322331323133313331312323131111323
>>
B3311331313231311331322331333132313331322331323133313331312323131111322
>>