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