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

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

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

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

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