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