C31232233133313221211113313331333132313331211113313331333231221322321   >>    C3123223313331322121111331333133313231333121111331333133323122132232   <<    C31232233133313221211113313331333132313331211113313331333231221322323   >>      C31232233133313221211113313331333132313331211113313331333231221322322   >>