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

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

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

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

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