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

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

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

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

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