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