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