B33113313132313113313223313331323133313223313231333133313311231311331322121
>>
B3311331313231311331322331333132313331322331323133313331331123131133132212
<<
B33113313132313113313223313331323133313223313231333133313311231311331322123
>>
B33113313132313113313223313331323133313223313231333133313311231311331322122
>>