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

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

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

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

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