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