C3123223313331322121111331333133313231333132212111112113313121133121231   >>    C312322331333132212111133133313331323133313221211111211331312113312123   <<    C3123223313331322121111331333133313231333132212111112113313121133121233   >>      C3123223313331322121111331333133313231333132212111112113313121133121232   >>