crab harmonic pattern:
X=$31.47
A=$0.075
AB=0.61 XA
BC=0.38 AB
1.6 BC=$7.52
0.78 XA=$8.63
2 BC=$12.85
0.88 XA=$15.8
2.24 BC=$18
2.6 BC=$30.6
1.13 XA=$69
3.6 BC=$124
X=$31.47
A=$0.075
AB=0.61 XA
BC=0.38 AB
1.6 BC=$7.52
0.78 XA=$8.63
2 BC=$12.85
0.88 XA=$15.8
2.24 BC=$18
2.6 BC=$30.6
1.13 XA=$69
3.6 BC=$124