B3311331313231311331322331333132313231323331333131133133313121111332213112131
>>
B331133131323131133132233133313231323132333133313113313331312111133221311213
<<
B3311331313231311331322331333132313231323331333131133133313121111332213112133
>>
B3311331313231311331322331333132313231323331333131133133313121111332213112132
>>