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