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