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

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

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

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

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