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