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