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