C31232233133313221211113313331333133313113311331333133313121111331122112113311   >>    C3123223313331322121111331333133313331311331133133313331312111133112211211331   <<    C31232233133313221211113313331333133313113311331333133313121111331122112113313   >>      C31232233133313221211113313331333133313113311331333133313121111331122112113312   >>