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