B331133131323131133132233133313231333132233132313331333131133132322331333211111
>>
B33113313132313113313223313331323133313223313231333133313113313232233133321111
<<
B331133131323131133132233133313231333132233132313331333131133132322331333211113
>>
B331133131323131133132233133313231333132233132313331333131133132322331333211112
>>