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

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

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

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

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