chirality, in this space

for 64 move upward 66
for 63 move rightward 63
for 62 move forward 62
for 61 move downward 61
for 60 move leftward 60
for 59 move backward 59
for 58 move upward 58
for 57 move rightward 57
for 56 move forward 56
for 55 move downward 55
for 54 move leftward 54
for 53 move backward 53
for 52 move upward 52
for 51 move rightward 51
for 50 move forward 50
for 49 move downward 49
for 48 move leftward 48