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

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

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

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

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