B331133131323131133132233133313231323331323331313233313331323132323131121131
>>
B33113313132313113313223313331323132333132333131323331333132313232313112113
<<
B331133131323131133132233133313231323331323331313233313331323132323131121133
>>
B331133131323131133132233133313231323331323331313233313331323132323131121132
>>