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

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

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

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

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