B331133131323131133132233133313231333131211331333132313231333132322331121131
>>
B33113313132313113313223313331323133313121133133313231323133313232233112113
<<
B331133131323131133132233133313231333131211331333132313231333132322331121133
>>
B331133131323131133132233133313231333131211331333132313231333132322331121132
>>