B331133131323131133132233133313231323331323133313121111121111133313221323131121
>>
B33113313132313113313223313331323132333132313331312111112111113331322132313112
<<
B331133131323131133132233133313231323331323133313121111121111133313221323131123
>>
B331133131323131133132233133313231323331323133313121111121111133313221323131122
>>