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