B331133131323131133132233133313231333131133113313331323133313231333132231211
>>
B33113313132313113313223313331323133313113311331333132313331323133313223121
<<
B331133131323131133132233133313231333131133113313331323133313231333132231213
>>
B331133131323131133132233133313231333131133113313331323133313231333132231212
>>