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