B331133131323131133132233133313231323132333133313121111331333132213132321
>>
B33113313132313113313223313331323132313233313331312111133133313221313232
<<
B331133131323131133132233133313231323132333133313121111331333132213132323
>>
B331133131323131133132233133313231323132333133313121111331333132213132322
>>