C313212111113331323312111133133313331333133313331333133313331322132232321   >>    C31321211111333132331211113313331333133313331333133313331333132213223232   <<    C313212111113331323312111133133313331333133313331333133313331322132232323   >>      C313212111113331323312111133133313331333133313331333133313331322132232322   >>