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

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

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

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

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