B331133131323131133132233133313231323132333131123313232233132313332211
>>
B33113313132313113313223313331323132313233313112331323223313231333221
<<
B331133131323131133132233133313231323132333131123313232233132313332213
>>
B331133131323131133132233133313231323132333131123313232233132313332212
>>