C313212111113331323312111133133313331333133313331333133313231333132331131221   >>    C31321211111333132331211113313331333133313331333133313331323133313233113122   <<    C313212111113331323312111133133313331333133313331333133313231333132331131223   >>      C313212111113331323312111133133313331333133313331333133313231333132331131222   >>