C31232233133313221211113313331333132313331322121111332213231221   >>    C3123223313331322121111331333133313231333132212111133221323122   <<    C31232233133313221211113313331333132313331322121111332213231223   >>      C31232233133313221211113313331333132313331322121111332213231222   >>