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

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

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

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

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