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

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

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

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

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