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