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

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

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

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

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