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

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

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

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

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