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