pe(from calc(2.5% + 7.5px) 10px, arc to calc(7.5% + 2.5px) -20px of 15px 25px, arc by calc(7.5% + 12.5px) -10px of 25px 25px cw large rotate 150deg, arc to calc(12.5% + 12.5px) 20px of 10px 5px)'},
        {at: 1, expect: 'shape(from calc(0% + 15px) 15px, arc to calc(0% + 5px) -25px of 20px 30px, arc by calc(0% + 25px) -15px of 20px 20px cw rotate 270deg, arc to calc(0% + 25px) 20px of 10px 5px)'},
        {at: 1.5, expect: 'shape(from calc(-2.5% + 22.5px) 20px, arc to calc(-7.5% + 7.5px) -30px of 25px 35px