Type1: 3 right-handed rotation
Type2: 3 levorotation
Type3: 4 right-handed rotation
Type4: 4 levorotation
Type5: 5 right-handed rotation
Type6: 5 levorotation
Type7: 7 levorotation
Type8: 11 levorotation
Type9: 33 levorotation
Type10: 33 right-handed rotation
Type11: Single head motor
Type12: Double-head motor
Type13: 7 right-handed rotation
'