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