C31232233133313221211113313331333131211113313231333132331121211   >>    C3123223313331322121111331333133313121111331323133313233112121   <<    C31232233133313221211113313331333131211113313231333132331121213   >>      C31232233133313221211113313331333131211113313231333132331121212   >>