B3311331313231311331322331333131133133313111333133313331323133313221311231
>>
B331133131323131133132233133313113313331311133313331333132313331322131123
<<
B3311331313231311331322331333131133133313111333133313331323133313221311233
>>
B3311331313231311331322331333131133133313111333133313331323133313221311232
>>