C313212111113331323312111133133313331333133313331333132313331333131133232321   >>    C31321211111333132331211113313331333133313331333133313231333133313113323232   <<    C313212111113331323312111133133313331333133313331333132313331333131133232323   >>      C313212111113331323312111133133313331333133313331333132313331333131133232322   >>