(0 20 18)(1 10 5)(2 23 8)(3 21 4)(6 13 11)(7 22 9)(12 16 14)(15 19 17)
ALLOWS (11/8)-SEQUENCE
1: (4 18 21)

(0 20 18 3 21)(1 10 5)(2 23 8)(4)(6 13 11)(7 22 9)(12 16 14)(15 19 17)
2: (0 20 21)

(0)(1 10 5)(2 23 8)(3 21 18)(4)(6 13 11)(7 22 9)(12 16 14)(15 19 17)(20)
3: (2 23 8)

(0)(1 10 5)(2)(3 21 18)(4)(6 13 11)(7 22 9)(8)(12 16 14)(15 19 17)(20)(23)
4: (7 22 9)

(0)(1 10 5)(2)(3 21 18)(4)(6 13 11)(7)(8)(9)(12 16 14)(15 19 17)(20)(22)(23)