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