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

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

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

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

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