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