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