B3311331313231311331322331333132333131323132313231333133313232313231121121
>>
B331133131323131133132233133313233313132313231323133313331323231323112112
<<
B3311331313231311331322331333132333131323132313231333133313232313231121123
>>
B3311331313231311331322331333132333131323132313231333133313232313231121122
>>