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

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

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

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

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