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

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

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

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

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