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

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

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

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

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