B331133131323131133132233133313233313231123313112331323133313231312111
>>
B33113313132313113313223313331323331323112331311233132313331323131211
<<
B331133131323131133132233133313233313231123313112331323133313231312113
>>
B331133131323131133132233133313233313231123313112331323133313231312112
>>