B3311331313231311331322331333132313331322121133133313331333133322132321
>>
B331133131323131133132233133313231333132212113313331333133313332213232
<<
B3311331313231311331322331333132313331322121133133313331333133322132323
>>
B3311331313231311331322331333132313331322121133133313331333133322132322
>>