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

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

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

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

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