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

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

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

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

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