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

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

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

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

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