B331133131323131133132233133313233313331322113313231323133313231121111
>>
B33113313132313113313223313331323331333132211331323132313331323112111
<<
B331133131323131133132233133313233313331322113313231323133313231121113
>>
B331133131323131133132233133313233313331322113313231323133313231121112
>>