B3311331313231311331322331333132333133313132233133313233313231323331123221211
>>
B331133131323131133132233133313233313331313223313331323331323132333112322121
<<
B3311331313231311331322331333132333133313132233133313233313231323331123221213
>>
B3311331313231311331322331333132333133313132233133313233313231323331123221212
>>