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