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

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

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

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

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