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