B331133131323131133132233133313231323133313331331123231333132333131211131
>>
B33113313132313113313223313331323132313331333133112323133313233313121113
<<
B331133131323131133132233133313231323133313331331123231333132333131211133
>>
B331133131323131133132233133313231323133313331331123231333132333131211132
>>