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