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