B331133131323131133132233133313231323132333133313121111331333131323222211
>>
B33113313132313113313223313331323132313233313331312111133133313132322221
<<
B331133131323131133132233133313231323132333133313121111331333131323222213
>>
B331133131323131133132233133313231323132333133313121111331333131323222212
>>