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

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

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

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

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