twist method
Implementation
Cube twist(int value) {
final co = List.of(_co);
var twistParity = 0;
for (var i = Corner.downRightBottom.index - 1;
i >= Corner.upRightFront.index;
i--) {
co[i] = value % 3;
twistParity += co[i];
value ~/= 3;
}
co[Corner.downRightBottom.index] = (3 - twistParity % 3) % 3;
return Cube._(cp: _cp, co: co, ep: _ep, eo: _eo);
}