(0 21 2)(1 5 3)(4 9 6)(7 18 17 16 12)(8 13 11)(10 19 14)(15 22 20)
ALLOWS (11/8)-SEQUENCE
1: (1 5 7)

(0 21 2)(1 18 17 16 12 7 3)(4 9 6)(5)(8 13 11)(10 19 14)(15 22 20)
2: (4 9 6)

(0 21 2)(1 18 17 16 12 7 3)(4)(5)(6)(8 13 11)(9)(10 19 14)(15 22 20)
3: (3 12 7)

(0 21 2)(1 18 17 16 12)(3)(4)(5)(6)(7)(8 13 11)(9)(10 19 14)(15 22 20)
4: (8 13 11)

(0 21 2)(1 18 17 16 12)(3)(4)(5)(6)(7)(8)(9)(10 19 14)(11)(13)(15 22 20)