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