C3123223313331322121111331333133313331312213231333132313231311211311   >>    C312322331333132212111133133313331333131221323133313231323131121131   <<    C3123223313331322121111331333133313331312213231333132313231311211313   >>      C3123223313331322121111331333133313331312213231333132313231311211312   >>