B331133131323131133132233133313231323331323133313121111331333132311221121121
>>
B33113313132313113313223313331323132333132313331312111133133313231122112112
<<
B331133131323131133132233133313231323331323133313121111331333132311221121123
>>
B331133131323131133132233133313231323331323133313121111331333132311221121122
>>