B331322121123313232233132112323331323133313223313331333132313231322121111131111   >>    B33132212112331323223313211232333132313331322331333133313231323132212111113111   <<    B331322121123313232233132112323331323133313223313331333132313231322121111131113   >>      B331322121123313232233132112323331323133313223313331333132313231322121111131112   >>