B331133131323131133132233133313232233132323133313331333131323131121111
>>
B33113313132313113313223313331323223313232313331333133313132313112111
<<
B331133131323131133132233133313232233132323133313331333131323131121113
>>
B331133131323131133132233133313232233132323133313331333131323131121112
>>