B33113313132313113313223313331323133313221211331333133313331323133323132313121
>>
B3311331313231311331322331333132313331322121133133313331333132313332313231312
<<
B33113313132313113313223313331323133313221211331333133313331323133323132313123
>>
B33113313132313113313223313331323133313221211331333133313331323133323132313122
>>