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

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

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

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

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