B3311331313231311331322331333132333133313132233133313233313231323331322121
>>
B331133131323131133132233133313233313331313223313331323331323132333132212
<<
B3311331313231311331322331333132333133313132233133313233313231323331322123
>>
B3311331313231311331322331333132333133313132233133313233313231323331322122
>>