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