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

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

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

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

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