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