B331133131323131133132233133313231333132313321133133313331323132313212121
>>
B33113313132313113313223313331323133313231332113313331333132313231321212
<<
B331133131323131133132233133313231333132313321133133313331323132313212123
>>
B331133131323131133132233133313231333132313321133133313331323132313212122
>>