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