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