/// 4 quadrants, each containing 4 quadrants, each containing 4 Leafs
// ___ ___ ___ ___ ___ ___ ___ ___
// |___|___| |___|___| |___|___| |___|___|
// |___|___| |___|___| |___|___| |___|___|
// ___ ___ ___ ___ ___ ___ ___ ___
// |___|___| |___|___| |___|___| |___|___|
// |___|___| |___|___| |___|___| |___|___|
//
// ___ ___ ___ ___ ___ ___ ___ ___
// |___|___| |___|___| |___|___| |___|___|
// |___|___| |___|___| |___|___| |___|___|
// ___ ___ ___ ___ ___ ___ ___ ___
// |___|___| |___|___| |___|___| |___|___|
// |___|___| |___|___| |___|___| |___|___|