B3311331313231311331322331333132313331322121133133313331333133313332233313131
>>
B331133131323131133132233133313231333132212113313331333133313331333223331313
<<
B3311331313231311331322331333132313331322121133133313331333133313332233313133
>>
B3311331313231311331322331333132313331322121133133313331333133313332233313132
>>