C312322331333132212111133133313331323133313221211331333133313121111331121132321   >>    C31232233133313221211113313331333132313331322121133133313331312111133112113232   <<    C312322331333132212111133133313331323133313221211331333133313121111331121132323   >>      C312322331333132212111133133313331323133313221211331333133313121111331121132322   >>