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

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

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

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

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