B331133131323131133132233133313231323133313132322331323133313233313132321221
>>
B33113313132313113313223313331323132313331313232233132313331323331313232122
<<
B331133131323131133132233133313231323133313132322331323133313233313132321223
>>
B331133131323131133132233133313231323133313132322331323133313233313132321222
>>