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

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

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

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

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