B331133131323131133132233133313232233132323133313331333131111212121
>>
B33113313132313113313223313331323223313232313331333133313111121212
<<
B331133131323131133132233133313232233132323133313331333131111212123
>>
B331133131323131133132233133313232233132323133313331333131111212122
>>