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

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

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

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

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