C31232233133313221211113313331333132313331333133313331333133313332233131121211   >>    C3123223313331322121111331333133313231333133313331333133313331333223313112121   <<    C31232233133313221211113313331333132313331333133313331333133313332233131121213   >>      C31232233133313221211113313331333132313331333133313331333133313332233131121212   >>