B33113313132313113313223313331323133313221211331333133313331211111333132311121
>>
B3311331313231311331322331333132313331322121133133313331333121111133313231112
<<
B33113313132313113313223313331323133313221211331333133313331211111333132311123
>>
B33113313132313113313223313331323133313221211331333133313331211111333132311122
>>