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