B331133131323131133132233133313231323132333133313121111331333133313122121121
>>
B33113313132313113313223313331323132313233313331312111133133313331312212112
<<
B331133131323131133132233133313231323132333133313121111331333133313122121123
>>
B331133131323131133132233133313231323132333133313121111331333133313122121122
>>