C313212111113331323312111133133313331333133313331333133313231333132213331323121   >>    C31321211111333132331211113313331333133313331333133313331323133313221333132312   <<    C313212111113331323312111133133313331333133313331333133313231333132213331323123   >>      C313212111113331323312111133133313331333133313331333133313231333132213331323122   >>