C313212111113331323312111133133313331333133313331333133313331333133313321112321   >>    C31321211111333132331211113313331333133313331333133313331333133313331332111232   <<    C313212111113331323312111133133313331333133313331333133313331333133313321112323   >>      C313212111113331323312111133133313331333133313331333133313331333133313321112322   >>