empty empty empty false else else zero A else A A A A A A A A A A else A A A A A A A A A A A else B B B B B else C C C C C else D D D D D else E E E E E else 0 1 2 3 4 5 6 7 8 9 else 0 1 2 3 4 5 6 7 8 9 10 else 1 3 5 7 9 else 10 8 6 4 2 else 0.5 1.5 2.5 3.5 4.5 else 5.5 4.5 3.5 2.5 1.5 else 2 4 6 8 10 else 10 8 6 4 2 else 1 2 3 4 5 6 7 8 9 10 10 9 8 7 6 5 4 3 2 1 0 2 4 6 8 10 2.1 3.8 5.5 7.2 8.9 10 8 6 4 2 0 12.1 10.4 8.7 7. 5.3 3.6 N N N N N N N N N N else 0 1 2 3 4 5 6 7 8 9 else 0 1 2 3 4 5 6 7 8 9 10 else 10 9 8 7 6 5 4 3 2 1 else 3 6 9 else (0 0)(1 1)(2 2)(3 3)(4 4)(5 5)(6 6)(7 7)(8 8)(9 9)else (0 0)(1 1)(2 2)(3 3)(4 4)(5 5)(6 6)(7 7)(8 8)(9 9)else (0 0)(1 1)(2 2)(3 3)(4 4)(5 5)(6 6)(7 7)(8 8)(9 9)else (0 0)(1 1)(2 2)(3 3)(4 4)(5 5)(6 6)(7 7)(8 8)(9 9)else (0 0)(1 1)(2 2)(3 3)(4 4)(5 5)(6 6)(7 7)(8 8)(9 9)(10 10)else (0 0)(1 1)(2 2)(3 3)(4 4)(5 5)(6 6)(7 7)(8 8)(9 9)(10 10)else (10 10)(9 9)(8 8)(7 7)(6 6)(5 5)(4 4)(3 3)(2 2)(1 1)else (10 10)(9 9)(8 8)(7 7)(6 6)(5 5)(4 4)(3 3)(2 2)(1 1)else (10 10)(9 9)(8 8)(7 7)(6 6)(5 5)(4 4)(3 3)(2 2)(1 1)(0 0)else (10 10)(9 9)(8 8)(7 7)(6 6)(5 5)(4 4)(3 3)(2 2)(1 1)(0 0)else 0 -5 1 -4 2 -3 3 -2 4 -1 5 0 6 1 7 2 8 3 9 4 else 0 -5 1 -6 2 -7 3 -8 4 -9 5 -10 6 -11 7 -12 8 -13 9 -14 else 0 -5 1 -3 2 -1 3 1 4 3 5 5 6 7 7 9 8 11 9 13 else 0 -5 1 -7 2 -9 3 -11 4 -13 5 -15 6 -17 7 -19 8 -21 9 -23 else 0 -5 1 -4 2 -3 3 -2 4 -1 5 0 6 1 7 2 8 3 9 4 else 0 -5 1 -6 2 -7 3 -8 4 -9 5 -10 6 -11 7 -12 8 -13 9 -14 else 0 -5 1 -3 2 -1 3 1 4 3 5 5 6 7 7 9 8 11 9 13 else 0 -5 1 -7 2 -9 3 -11 4 -13 5 -15 6 -17 7 -19 8 -21 9 -23 else 0 -5 1.5 1 -7 2.5 2 -9 3.5 3 -11 4.5 4 -13 5.5 5 -15 6.5 6 -17 7.5 7 -19 8.5 8 -21 9.5 9 -23 10.5 else 0 -5 1.5 1 -7 2.5 2 -9 3.5 3 -11 4.5 4 -13 5.5 5 -15 6.5 6 -17 7.5 7 -19 8.5 8 -21 9.5 9 -23 10.5 else 0 -5 1.5 1 -7 2.5 2 -9 3.5 3 -11 4.5 4 -13 5.5 5 -15 6.5 6 -17 7.5 7 -19 8.5 8 -21 9.5 9 -23 10.5 else