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

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

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

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

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