B331133131323131133132233133313231333132233132313331333131331123131131
>>
B33113313132313113313223313331323133313223313231333133313133112313113
<<
B331133131323131133132233133313231333132233132313331333131331123131133
>>
B331133131323131133132233133313231333132233132313331333131331123131132
>>