B331133131323131133132233133313231323133313331331121111331333132223131321
>>
B33113313132313113313223313331323132313331333133112111133133313222313132
<<
B331133131323131133132233133313231323133313331331121111331333132223131323
>>
B331133131323131133132233133313231323133313331331121111331333132223131322
>>