- Field(&Step::board, Board{{1,2,3,4,0,5,6,7,8,9,10,11,12,13,14,15}}),
- Field(&Step::board, Board{{1,2,3,4,5,6,0,7,8,9,10,11,12,13,14,15}}),
- Field(&Step::board, Board{{1,0,3,4,5,2,6,7,8,9,10,11,12,13,14,15}}),
- Field(&Step::board, Board{{1,2,3,4,5,9,6,7,8,0,10,11,12,13,14,15}})));
+ Pointee(Field(&Step::board, Board{{1,2,3,4,0,5,6,7,8,9,10,11,12,13,14,15}})),
+ Pointee(Field(&Step::board, Board{{1,2,3,4,5,6,0,7,8,9,10,11,12,13,14,15}})),
+ Pointee(Field(&Step::board, Board{{1,0,3,4,5,2,6,7,8,9,10,11,12,13,14,15}})),
+ Pointee(Field(&Step::board, Board{{1,2,3,4,5,9,6,7,8,0,10,11,12,13,14,15}}))));