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

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

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

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

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