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

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

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

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

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