B3311331313231311331322331333132313232233131311331333132313331323221122223131
>>
B331133131323131133132233133313231323223313131133133313231333132322112222313
<<
B3311331313231311331322331333132313232233131311331333132313331323221122223133
>>
B3311331313231311331322331333132313232233131311331333132313331323221122223132
>>