C31231211113313121211113313331333132313331323312111133132212111113331322232321   >>    C3123121111331312121111331333133313231333132331211113313221211111333132223232   <<    C31231211113313121211113313331333132313331323312111133132212111113331322232323   >>      C31231211113313121211113313331333132313331323312111133132212111113331322232322   >>