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

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

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

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

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