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

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

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

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

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