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

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

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

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

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