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