B331133131323131133132233133313231333132212113313331333133313131321111
>>
B33113313132313113313223313331323133313221211331333133313331313132111
<<
B331133131323131133132233133313231333132212113313331333133313131321113
>>
B331133131323131133132233133313231333132212113313331333133313131321112
>>