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

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

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

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

(0)(1)(2 17 15)(3)(4 8 6)(5)(7 12 9)(10 14 11)(13)(16)(18)(19)(20)