B331133131323131133132233133313231323331323133313133313331323131133132321221
>>
B33113313132313113313223313331323132333132313331313331333132313113313232122
<<
B331133131323131133132233133313231323331323133313133313331323131133132321223
>>
B331133131323131133132233133313231323331323133313133313331323131133132321222
>>