C21221212121323223313131323132322331323223313222233132332113121   >>    C2122121212132322331313132313232233132322331322223313233211312   <<    C21221212121323223313131323132322331323223313222233132332113123   >>      C21221212121323223313131323132322331323223313222233132332113122   >>