B3311331313231311331322331333132313231323331333131333133313232221122311
>>
B331133131323131133132233133313231323132333133313133313331323222112231
<<
B3311331313231311331322331333132313231323331333131333133313232221122313
>>
B3311331313231311331322331333132313231323331333131333133313232221122312
>>