B331133131323131133132233133313231323133313132322331333132313232233132322211
>>
B33113313132313113313223313331323132313331313232233133313231323223313232221
<<
B331133131323131133132233133313231323133313132322331333132313232233132322213
>>
B331133131323131133132233133313231323133313132322331333132313232233132322212
>>