C3123223313331322121111331333132313331323331323331323133313231323211221   >>    C312322331333132212111133133313231333132333132333132313331323132321122   <<    C3123223313331322121111331333132313331323331323331323133313231323211223   >>      C3123223313331322121111331333132313331323331323331323133313231323211222   >>