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S circle diam .3i "\(ci" circle diam .3i "\(ci" at 1st circle + (2i,0i) circle diam .3i "\(bu" at 1st circle + (0.5i,-0.5i) circle diam .3i "\(bu" at 2nd circle - (0.5i, 0.5i) circle diam .3i "\(ci" at 1st circle - (0i,1i) circle diam .3i "\(ci" at 5th circle + (1i,0i) circle diam .3i "\(ci" at 2nd circle - (0i,1i) circle diam .3i "\(ci" at 3rd circle - (0i,1i) circle diam .3i "\(ci" at 4th circle - (0i,1i) arrow from 1st circle to 3rd circle chop .15i chop .15i arrow from 1st circle to 4th circle chop .15i chop .15i arrow from 2nd circle to 4th circle chop .15i chop .15i spline -> from 3rd circle right .5i up .075i then right .5i down .075i chop .15i chop .15i spline -> from 4th circle left .5i down .075i then left .5i up .075i chop .15i chop .15i arrow from 3rd circle to 5th circle chop .15i chop .15i arrow from 4th circle to 5th circle chop .15i chop .15i arrow from 4th circle to 6th circle chop .15i chop .15i arrow from 4th circle to 7th circle chop .15i chop .15i arrow from 5th circle to 8th circle chop .15i chop .15i arrow from 6th circle to 8th circle chop .15i chop .15i arrow from 6th circle to 9th circle chop .15i chop .15i
E