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

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

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

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

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