B2311232333132313231322331333132333132322331323132313331312312311
>>
B231123233313231323132233133313233313232233132313231333131231231
<<
B2311232333132313231322331333132333132322331323132313331312312313
>>
B2311232333132313231322331333132333132322331323132313331312312312
>>