B3311331313231311331322331333132313233313231333131133133313121111331311213111
>>
B331133131323131133132233133313231323331323133313113313331312111133131121311
<<
B3311331313231311331322331333132313233313231333131133133313121111331311213113
>>
B3311331313231311331322331333132313233313231333131133133313121111331311213112
>>