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