B231123233313231323132233133313233313232233132313231333133313231121131
>>
B23112323331323132313223313331323331323223313231323133313331323112113
<<
B231123233313231323132233133313233313232233132313231333133313231121133
>>
B231123233313231323132233133313233313232233132313231333133313231121132
>>