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

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

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

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

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