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

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

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

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

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