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