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

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

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

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

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