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

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

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

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

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