C31232233133313221211113313331333132313331333133313121111331322121   >>    C3123223313331322121111331333133313231333133313331312111133132212   <<    C31232233133313221211113313331333132313331333133313121111331322123   >>      C31232233133313221211113313331333132313331333133313121111331322122   >>