C313212111113331323312111133133313331333133313331333133313231333132322223321   >>    C31321211111333132331211113313331333133313331333133313331323133313232222332   <<    C313212111113331323312111133133313331333133313331333133313231333132322223323   >>      C313212111113331323312111133133313331333133313331333133313231333132322223322   >>