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

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

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

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

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