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