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