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