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