B331322121123313232233132112323331323133313223313331333132313232212312131   >>    B33132212112331323223313211232333132313331322331333133313231323221231213   <<    B331322121123313232233132112323331323133313223313331333132313232212312133   >>      B331322121123313232233132112323331323133313223313331333132313232212312132   >>