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

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

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

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

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