B2311232333132313231322331333132333132322331323132313331333132313222332311
>>
B231123233313231323132233133313233313232233132313231333133313231322233231
<<
B2311232333132313231322331333132333132322331323132313331333132313222332313
>>
B2311232333132313231322331333132333132322331323132313331333132313222332312
>>