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

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

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

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

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