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