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