B33113313132313113313223313331323132313231323131333132322331323132212121
>>
B3311331313231311331322331333132313231323132313133313232233132313221212
<<
B33113313132313113313223313331323132313231323131333132322331323132212123
>>
B33113313132313113313223313331323132313231323131333132322331323132212122
>>