C11111333133313232233133313331333132313332313233112111133222321   >>    C1111133313331323223313331333133313231333231323311211113322232   <<    C11111333133313232233133313331333132313332313233112111133222323   >>      C11111333133313232233133313331333132313332313233112111133222322   >>