C31321211111333132331211113313331333133313331333133313231333133313231323211221   >>    C3132121111133313233121111331333133313331333133313331323133313331323132321122   <<    C31321211111333132331211113313331333133313331333133313231333133313231323211223   >>      C31321211111333132331211113313331333133313331333133313231333133313231323211222   >>