C31232233133313221211113313331333132313331333133313331333133313331333112332211   >>    C3123223313331322121111331333133313231333133313331333133313331333133311233221   <<    C31232233133313221211113313331333132313331333133313331333133313331333112332213   >>      C31232233133313221211113313331333132313331333133313331333133313331333112332212   >>