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

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

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

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

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