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