B331133131323131133132233133313231323331323331313233313331323133313221211331
>>
B33113313132313113313223313331323132333132333131323331333132313331322121133
<<
B331133131323131133132233133313231323331323331313233313331323133313221211333
>>
B331133131323131133132233133313231323331323331313233313331323133313221211332
>>