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

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

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

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

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