B3311331313231311331322331333132313231323331333131123313331323132312322121121
>>
B331133131323131133132233133313231323132333133313112331333132313231232212112
<<
B3311331313231311331322331333132313231323331333131123313331323132312322121123
>>
B3311331313231311331322331333132313231323331333131123313331323132312322121122
>>