""" adapted from https://github.com/michaelhodel/arc-dsl """

F = False
T = True

ZERO = 0
ONE = 1
TWO = 2
THREE = 3
FOUR = 4
FIVE = 5
SIX = 6
SEVEN = 7
EIGHT = 8
NINE = 9
TEN = 10

NEG_ONE = -1
NEG_TWO = -2

DOWN = (1, 0)
RIGHT = (0, 1)
UP = (-1, 0)
LEFT = (0, -1)

ORIGIN = (0, 0)
UNITY = (1, 1)
NEG_UNITY = (-1, -1)
UP_RIGHT = (-1, 1)
DOWN_LEFT = (1, -1)

ZERO_BY_TWO = (0, 2)
TWO_BY_ZERO = (2, 0)
TWO_BY_TWO = (2, 2)
THREE_BY_THREE = (3, 3)
