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

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

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

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

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