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

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

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

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

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