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