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

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

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

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

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