(0 19 5)(1 8 3)(2 7 4)(6 13 11)(9 15 10)(12 17 14)(16 20 18)
ALLOWS (11/8)-SEQUENCE
1: (1 8 20)
(0 19 5)(1 18 16 20 3)(2 7 4)(6 13 11)(8)(9 15 10)(12 17 14)
2: (0 19 5)
(0)(1 18 16 20 3)(2 7 4)(5)(6 13 11)(8)(9 15 10)(12 17 14)(19)
3: (3 16 20)
(0)(1 18 16)(2 7 4)(3)(5)(6 13 11)(8)(9 15 10)(12 17 14)(19)(20)
4: (2 7 4)
(0)(1 18 16)(2)(3)(4)(5)(6 13 11)(7)(8)(9 15 10)(12 17 14)(19)(20)