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