B331133131323131133132233133313231323133313132322331323131123313112131121
>>
B33113313132313113313223313331323132313331313232233132313112331311213112
<<
B331133131323131133132233133313231323133313132322331323131123313112131123
>>
B331133131323131133132233133313231323133313132322331323131123313112131122
>>