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