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