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