473+ 1 => 5.5999999999999996447286321199499070644378662109375,
473- 1 => 5.5999999999999996,
477+ 1 => 5.5999999999999996447286321199499070644378662109375,
477- 1 => 5.5999999999999996,
479+ string(82) "array (
479- string(49) "array (
481+ 1 => 5.5999999999999996447286321199499070644378662109375,
481- 1 => 5.5999999999999996,