#build label(outer) hidden()
trackN,trackS,trackE,,trackW,trackNS
trackNE,trackNW,trackSE,,trackSW
trackEW,trackNSE,trackNSW

trackNEW,trackSEW
trackNSEW
#build label(inner) hidden()
trackrampN,trackrampNS,trackrampNE
trackrampNSE,trackrampNSW
trackrampNSEW
#meta label(chunk) hidden()
/outer shift(7 -13)
/inner shift(1 -4)
#meta label(construct)
/chunk
/chunk transform(cw)
/chunk transform(cw cw)
/chunk transform(ccw)
/chunk transform(fliph)
/chunk transform(flipv)
/chunk transform(cw flipv)
/chunk transform(ccw flipv)