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