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

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

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

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

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