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

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

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

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

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