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