C31232233133313221211113313331333133313331212111133133313221323123313133121   >>    C3123223313331322121111331333133313331333121211113313331322132312331313312   <<    C31232233133313221211113313331333133313331212111133133313221323123313133123   >>      C31232233133313221211113313331333133313331212111133133313221323123313133122   >>