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

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

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

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

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