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

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

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

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

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