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