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

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

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

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

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