B3311331313231311331322331333132313232233132313133313331311331323221121
>>
B331133131323131133132233133313231323223313231313331333131133132322112
<<
B3311331313231311331322331333132313232233132313133313331311331323221123
>>
B3311331313231311331322331333132313232233132313133313331311331323221122
>>