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

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

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

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

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