no clear direction: boundarylessness

0fsiiit(j,20)(i,20)(d(4(R,3)1(R,3)6(R,3)1,21),20)skp(8)(d(4(R,3)1(R,3)6(R,3)1,21),20)skp(8)(d(4(R,3)1(R,3)6(R,3)1,21),20)skp(8)(d(4(R,3)1(R,3)6(R,3)1,21),20)A5rrrR1(dt(lk,8)p(8),4)A2rrrR1Adsip(4)Adsip(4)ASiAdt(ij,60)--:::::::::::::::zZfxyym++++