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