SB 10.30.26
tais taih padais tat-padavim
anvicchantyo ’grato ’balah
vadhvah padaih su-prktani
vilokyartah samabruvan
Translation:
The gopis began following Krsna’s path, as shown by His many footprints, but when they saw that these prints were thoroughly intermixed with those of His dearmost consort, they became perturbed and spoke as follows.