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