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