half turn 1/2
full turn
3/4
full turn
quarter turn 1/4
half turn 1/2
3/4
full turn
half turn 1/2
quarter turn 1/4
half turn 1/2
full turn
half turn 1/2
full turn
3/4
full turn
quarter turn 1/4
half turn 1/2
3/4
full turn
half turn 1/2
quarter turn 1/4
half turn 1/2
full turn