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

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

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

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

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