(0 21 4)(1 10 7)(2 18 17)(3 14 12 9 5)(6 11 8)(13 19 15)(16 22 20)
ALLOWS (11/8)-SEQUENCE
1: (1 4 7)
(0 21 4 10 7)(1)(2 18 17)(3 14 12 9 5)(6 11 8)(13 19 15)(16 22 20)
2: (3 9 5)
(0 21 4 10 7)(1)(2 18 17)(3)(5)(6 11 8)(9 14 12)(13 19 15)(16 22 20)
3: (6 11 8)
(0 21 4 10 7)(1)(2 18 17)(3)(5)(6)(8)(9 14 12)(11)(13 19 15)(16 22 20)
4: (4 10 21)
(0 21 7)(1)(2 18 17)(3)(4)(5)(6)(8)(9 14 12)(10)(11)(13 19 15)(16 22 20)