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

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

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

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

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