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

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

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

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

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