B331133131323131133132233133313231323132333133313133313331121132211
>>
B33113313132313113313223313331323132313233313331313331333112113221
<<
B331133131323131133132233133313231323132333133313133313331121132213
>>
B331133131323131133132233133313231323132333133313133313331121132212
>>