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