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

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

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

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

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