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