Are they supposed to walk in at the same time?
If so try @SUNNIVA walks to spot 1.280 160 0 in zone 3 in 4 AND MYRTLE walks to spot 1.280 103 4 in zone 3 in 5
&SUNNIVA walks to spot 1.280 160 0 in zone 3 in 4 AND MYRTLE walks to spot 1.280 103 4 in zone 3 in 4
&pan to zone 3 in 4
And it should match with them walking