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

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

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

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

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