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

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

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

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

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