(0 7 5)(1 21 19)(2 17 3)(4 15 12 10 9)(6 16 13 11 8)(14 20 18)
ALLOWS (11/8)-SEQUENCE
1: (0 4 5)
(0)(1 21 19)(2 17 3)(4 7 5 15 12 10 9)(6 16 13 11 8)(14 20 18)
2: (4 7 9)
(0)(1 21 19)(2 17 3)(4)(5 15 12 10 9)(6 16 13 11 8)(7)(14 20 18)
3: (6 11 8)
(0)(1 21 19)(2 17 3)(4)(5 15 12 10 9)(6)(7)(8)(11 16 13)(14 20 18)
4: (5 15 9)
(0)(1 21 19)(2 17 3)(4)(5)(6)(7)(8)(9 12 10)(11 16 13)(14 20 18)(15)