B3311331313231311331322331333132313232233132313133313331323132233312121
>>
B331133131323131133132233133313231323223313231313331333132313223331212
<<
B3311331313231311331322331333132313232233132313133313331323132233312123
>>
B3311331313231311331322331333132313232233132313133313331323132233312122
>>