nonogram

type Board interface {
	Size() int32
	Count(Cell) int
	Percent(Cell) float32
	Get(x, y int32) Cell
	Set(x, y int32, cell Cell) error
	Column(x int32) []uint8
	ColumnStr(x int32) string
	Line(x int32) []uint8
	LineStr(x int32) string
	RevealColumn(x int32)
	RevealLine(y int32)
	Eq(other Board) bool
}

type Cell byte

type Game interface {
	Check(x, y int32)
	IsDone() bool
	Reference() Board
	Round() Board
}