B331133131323131133132233133313231323331323331313233313331323133112312121
>>
B33113313132313113313223313331323132333132333131323331333132313311231212
<<
B331133131323131133132233133313231323331323331313233313331323133112312123
>>
B331133131323131133132233133313231323331323331313233313331323133112312122
>>