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

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

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

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

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