C31321211111333132331211113313331333133313331333133313233311232321   >>    C3132121111133313233121111331333133313331333133313331323331123232   <<    C31321211111333132331211113313331333133313331333133313233311232323   >>      C31321211111333132331211113313331333133313331333133313233311232322   >>