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