C312322331333132212111133133313331323133313331333133313331312111112122321   >>    C31232233133313221211113313331333132313331333133313331333131211111212232   <<    C312322331333132212111133133313331323133313331333133313331312111112122323   >>      C312322331333132212111133133313331323133313331333133313331312111112122322   >>