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