B3311331313231311331322331333131133132313131133133313232233132313331312122321
>>
B331133131323131133132233133313113313231313113313331323223313231333131212232
<<
B3311331313231311331322331333131133132313131133133313232233132313331312122323
>>
B3311331313231311331322331333131133132313131133133313232233132313331312122322
>>