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

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

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

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

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