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