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

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

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

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

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