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

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

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

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

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