B331133131323131133132233133313231333132322331211233132322121111
>>
B33113313132313113313223313331323133313232233121123313232212111
<<
B331133131323131133132233133313231333132322331211233132322121113
>>
B331133131323131133132233133313231333132322331211233132322121112
>>