B3311331313231311331322331333131133133313111333133313331323131133132322112331
>>
B331133131323131133132233133313113313331311133313331333132313113313232211233
<<
B3311331313231311331322331333131133133313111333133313331323131133132322112333
>>
B3311331313231311331322331333131133133313111333133313331323131133132322112332
>>