C31313132333131133132233132233131121133132333131333132333132311111231   >>    C3131313233313113313223313223313112113313233313133313233313231111123   <<    C31313132333131133132233132233131121133132333131333132333132311111233   >>      C31313132333131133132233132233131121133132333131333132333132311111232   >>