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