B331133131323131133132233133313231323132333133313112331333132322111112311
>>
B33113313132313113313223313331323132313233313331311233133313232211111231
<<
B331133131323131133132233133313231323132333133313112331333132322111112313
>>
B331133131323131133132233133313231323132333133313112331333132322111112312
>>