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

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

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

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

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