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