C313212111113331323312111133133313331333133313331333132313132321   >>    C31321211111333132331211113313331333133313331333133313231313232   <<    C313212111113331323312111133133313331333133313331333132313132323   >>      C313212111113331323312111133133313331333133313331333132313132322   >>