B331133131323131133132233133313231323132333133313112331333132313221323211
>>
B33113313132313113313223313331323132313233313331311233133313231322132321
<<
B331133131323131133132233133313231323132333133313112331333132313221323213
>>
B331133131323131133132233133313231323132333133313112331333132313221323212
>>