π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½π½
61
1
26