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

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

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

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

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