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