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