C313212111113331323312111133133313331333131212111133132213232321   >>    C31321211111333132331211113313331333133313121211113313221323232   <<    C313212111113331323312111133133313331333131212111133132213232323   >>      C313212111113331323312111133133313331333131212111133132213232322   >>