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

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

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

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

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