B331133131323131133132233133313231333132233132313331333131313231323132121111
>>
B33113313132313113313223313331323133313223313231333133313131323132313212111
<<
B331133131323131133132233133313231333132233132313331333131313231323132121113
>>
B331133131323131133132233133313231333132233132313331333131313231323132121112
>>