B33113313132313113313223313331323133313221211331333133313331323133323131211
>>
B3311331313231311331322331333132313331322121133133313331333132313332313121
<<
B33113313132313113313223313331323133313221211331333133313331323133323131213
>>
B33113313132313113313223313331323133313221211331333133313331323133323131212
>>