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

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

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

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

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