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

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

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

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

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