B331133131323131133132233133313231323132333133313112331333132322131111211
>>
B33113313132313113313223313331323132313233313331311233133313232213111121
<<
B331133131323131133132233133313231323132333133313112331333132322131111213
>>
B331133131323131133132233133313231323132333133313112331333132322131111212
>>