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

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

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

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

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