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

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

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

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

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