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

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

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

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

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