C3123223313331322121111331333133313231333132212111112312111112111112121231   >>    C312322331333132212111133133313331323133313221211111231211111211111212123   <<    C3123223313331322121111331333133313231333132212111112312111112111112121233   >>      C3123223313331322121111331333133313231333132212111112312111112111112121232   >>