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

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

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

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

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