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BF^( → )={-2-(-2);5-(-6)}={0;11}, DC^( → )={3-(-1); -4-4}={4;-8}, FC^( → )={3-(-2); -4-5}={5;-9}, EA^( → )={1-(-3);5-(-4)}={4;9}, EC^( → )={3-(-3); -4-(-4)}={6;0}, CF^( → )={-2-3; 5-(-4)}={-5;9}, DC^( → )={3-(-2);-4-(-6)}={5;2}, AE^( → )={-3-1; -4-5}={-4;-9}.