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

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

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

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

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