B3311331313231311331322331333131133133313111333133313331322231312321
>>
B331133131323131133132233133313113313331311133313331333132223131232
<<
B3311331313231311331322331333131133133313111333133313331322231312323
>>
B3311331313231311331322331333131133133313111333133313331322231312322
>>