C313212111113331323312111133133313331333133313331333133313331333131322132313221   >>    C31321211111333132331211113313331333133313331333133313331333133313132213231322   <<    C313212111113331323312111133133313331333133313331333133313331333131322132313223   >>      C313212111113331323312111133133313331333133313331333133313331333131322132313222   >>