C3123223313331322121111331333133313331331121111132322331333132313123331   >>    C312322331333132212111133133313331333133112111113232233133313231312333   <<    C3123223313331322121111331333133313331331121111132322331333132313123333   >>      C3123223313331322121111331333133313331331121111132322331333132313123332   >>