B331133131323131133132233133313231333132233132313331333132312321333121
>>
B33113313132313113313223313331323133313223313231333133313231232133312
<<
B331133131323131133132233133313231333132233132313331333132312321333123
>>
B331133131323131133132233133313231333132233132313331333132312321333122
>>