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