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

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

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

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

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