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