C3123121111113313121111331333133313331333223313331333133322121331333131   >>    C312312111111331312111133133313331333133322331333133313332212133133313   <<    C3123121111113313121111331333133313331333223313331333133322121331333133   >>      C3123121111113313121111331333133313331333223313331333133322121331333132   >>