B331133131323131133132233133313231333132213233313331323223313113313132322121
>>
B33113313132313113313223313331323133313221323331333132322331311331313232212
<<
B331133131323131133132233133313231333132213233313331323223313113313132322123
>>
B331133131323131133132233133313231333132213233313331323223313113313132322122
>>