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