ElemIntN
A class that can be construct from a fixed number of Ints can be stored as an Array[Int] of primitive values.
trait ElemInt1
class Colour
trait HStep
object HStepDL
object HStepDR
object HStepLt
object HStepRt
object HStepUL
object HStepUR
trait ElemInt2
trait Show2Base32s
trait TCoord
trait HCoord
trait HCenOrSide
class HCen
class HSide
class HVert
trait SqCoord
class SqCen
class SqSide
class SqVert
trait Show2Ints
class Cood
class Roord
trait ElemInt4
class CoodLine
class RoordLine