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

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

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

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

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