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

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

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

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

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