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