B331133131323131133132233133313231323331323331313233313331323133313231131211
>>
B33113313132313113313223313331323132333132333131323331333132313331323113121
<<
B331133131323131133132233133313231323331323331313233313331323133313231131213
>>
B331133131323131133132233133313231323331323331313233313331323133313231131212
>>