B331133131323131133132233133313233313331322233313113313231323132313231231
>>
B33113313132313113313223313331323331333132223331311331323132313231323123
<<
B331133131323131133132233133313233313331322233313113313231323132313231233
>>
B331133131323131133132233133313233313331322233313113313231323132313231232
>>