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

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

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

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

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