B3311331313231311331322331333132313231323331333131121333132313331323111121111
>>
B331133131323131133132233133313231323132333133313112133313231333132311112111
<<
B3311331313231311331322331333132313231323331333131121333132313331323111121113
>>
B3311331313231311331322331333132313231323331333131121333132313331323111121112
>>