B331133131323131133132233133313231323132333133313121111331333132213331323221111
>>
B33113313132313113313223313331323132313233313331312111133133313221333132322111
<<
B331133131323131133132233133313231323132333133313121111331333132213331323221113
>>
B331133131323131133132233133313231323132333133313121111331333132213331323221112
>>