B3311331313231311331322331333132313233313233313132333133313231331123231121121
>>
B331133131323131133132233133313231323331323331313233313331323133112323112112
<<
B3311331313231311331322331333132313233313233313132333133313231331123231121123
>>
B3311331313231311331322331333132313233313233313132333133313231331123231121122
>>