C131312213233313231313231323232132313231313232233132333131132321   >>    C13131221323331323131323132323213231323131323223313233313113232   <<    C131312213233313231313231323232132313231313232233132333131132323   >>      C131312213233313231313231323232132313231313232233132333131132322   >>