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

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

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

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

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