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