C31232233133313221211113313331333132313331333133313231121333131   >>    C3123223313331322121111331333133313231333133313331323112133313   <<    C31232233133313221211113313331333132313331333133313231121333133   >>      C31232233133313221211113313331333132313331333133313231121333132   >>