C31232233133313221211113313331333132313331333133313331333132313311213321   >>    C3123223313331322121111331333133313231333133313331333133313231331121332   <<    C31232233133313221211113313331333132313331333133313331333132313311213323   >>      C31232233133313221211113313331333132313331333133313331333132313311213322   >>