C3123223313331322121111331333131133133313331333131133133313112221231   >>    C312322331333132212111133133313113313331333133313113313331311222123   <<    C3123223313331322121111331333131133133313331333131133133313112221233   >>      C3123223313331322121111331333131133133313331333131133133313112221232   >>