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

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

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

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

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