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

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

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

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

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