C3123223313331322121111331333133313231333132212111113231333132233313112231321   >>    C312322331333132212111133133313331323133313221211111323133313223331311223132   <<    C3123223313331322121111331333133313231333132212111113231333132233313112231323   >>      C3123223313331322121111331333133313231333132212111113231333132233313112231322   >>