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

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

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

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

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