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