C3123223313331322121111331333133313231333132212111112111111113313331123313121   >>    C312322331333132212111133133313331323133313221211111211111111331333112331312   <<    C3123223313331322121111331333133313231333132212111112111111113313331123313123   >>      C3123223313331322121111331333133313231333132212111112111111113313331123313122   >>