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