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

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

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

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

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