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