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