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

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

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

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

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