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