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