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