C212212121213232233131313231323223313232233132222331323233233321   >>    C21221212121323223313131323132322331323223313222233132323323332   <<    C212212121213232233131313231323223313232233132222331323233233323   >>      C212212121213232233131313231323223313232233132222331323233233322   >>